S27E33: Star Shredded by Black Hole: A Cosmic Feast Observed
SpaceTime with Stuart GaryMarch 15, 2024x
33
00:31:4829.17 MB

S27E33: Star Shredded by Black Hole: A Cosmic Feast Observed

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The Space, Astronomy & Science Podcast.
SpaceTime Series 27 Episode 33
*The Black Hole that Ripped Apart a Star
In a cosmic display of destruction, astronomers have witnessed the closest recorded incident of a star being devoured by a supermassive black hole. The event, spotted in galaxy NGC 3799, was observed in visible light, offering unprecedented insights into these violent phenomena. The tidal disruption event, now cataloged as Assassin 23 BD, emitted less energy and faded more rapidly than typical cases, placing it in a unique classification and suggesting such occurrences may be more common than once thought.
*Hunting New Physics in Neutron Star Wrecks
The cataclysmic mergers of neutron stars could be hiding secrets of new physics, with potential clues about the enigmatic dark matter. The historic GW170817 collision, which sent ripples through space-time, has now been used to constrain theories on axion-like particles. These elusive entities could be part of the dark matter puzzle, and their traces might be detectable in future neutron star mergers, offering a new window into the fundamental workings of the universe.
*Guardian Gas Giants and Their Terrestrial Charges
A new study suggests that Earth-like planets often come with Jupiter-like protectors. Simulations of planetary systems show that "dry" super-Earths and distant "cold" Jupiters frequently coexist, with the gas giants acting as cosmic shields. This relationship hints at a formation pattern where massive protoplanetary disks give rise to both rocky worlds and their gaseous sentinels, providing a glimpse into the architecture of alien solar systems.
*China's Moonwalk Ambitions by 2030
China has set its sights on the Moon, with plans to land taikonauts on the lunar surface before the end of the decade. The ambitious project involves the development of the Long March 10 rocket, a new spacecraft, and a lunar lander. In a two-launch scenario, the vehicles will rendezvous in lunar orbit, setting the stage for China's historic manned moon landing and furthering their collaboration with Russia on a lunar base.
Plus, we examine the latest space news, delve into the science of extreme heat and preterm births, and explore the mystery of microplastics in human arteries.
For more SpaceTime and to support the show, visit our website at https://spacetimewithstuartgary.com where you can access our universal listen link, find show notes, and learn how to become a patron.
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00:00:00
This is Space Time Series 27 Episode 33 for broadcast on the

00:00:04
15th of March 2024. Coming up on Space Time, astronomers watch a

00:00:10
star being literally torn apart by a black hole, the new physics

00:00:15
that could be hiding in the debris of colliding neutron

00:00:17
stars, and China says it'll have people walking on the Moon by

00:00:22
the end of the decade. All that and more coming up on Space

00:00:26
Time.

00:00:28
Welcome to SpaceTide with Stuart Gary. Thank you Astronomers have

00:00:49
observed the closest recorded occurrence of a star being torn

00:00:52
apart by a supermassive black hole. Using ASSASSIN, the

00:00:57
All-Sky Automated Survey for Supernovae, the authors detected

00:01:01
a sudden surge of brightness, followed by a rapid dimming in a

00:01:05
galaxy known as NGC 3799, located just 160 million

00:01:10
light-years away.

00:01:12
While black holes destroying stars have been seen before,

00:01:15
this is the first one observed this close using visible light.

00:01:20
The study's lead author, William Huggendan from the University Of

00:01:23
Hawaii, says the discovery could give astronomers a much better

00:01:26
understanding of how supermassive black holes grow

00:01:29
and how they collect material around them.

00:01:32
Follow-up observations were taken using the Asteroid

00:01:34
Terrestrial Last Alert System or ATLAS telescopes on Mauna Loa

00:01:38
and the giant 10-metre Keck telescopes on Mauna Kea. The

00:01:42
authors then analysed these data, determining that the burst

00:01:45
of brightness was indeed caused by a tidal disruption event.

00:01:49
That's the term used to describe what happens when a star gets

00:01:52
too close to a supermassive black hole and is torn to pieces

00:01:56
by the black hole's immense gravitational forces. The

00:01:59
findings reported in the monthly notices of the Royal

00:02:01
Astronomical Society suggest that black holes ripping stars

00:02:05
apart nearby could actually be more common than previously

00:02:08
thought.

00:02:09
The intense brightness produced by the star's mass feeding the

00:02:12
black hole creates a luminous flare which all-sky surveys like

00:02:16
ASSASSIN can observe. While such events have been detected far

00:02:20
away, finding one this relatively close is rare. Events

00:02:25
now being catalogued as ASSASSIN-23BD and will become a

00:02:29
subject for further intense study.

00:02:31
The authors have already found that this tidal disruption event

00:02:34
was unlike many others they've observed because it emitted much

00:02:37
less energy than previous such events, and its change in

00:02:41
brightness happened about twice as fast as most tidal disruption

00:02:44
events. The reasons for this is still unclear. And so, ASSASSIN

00:02:49
23 BD has been placed into a unique category of objects known

00:02:54
as low luminosity and fast tidal disruption events.

00:02:58
This is Space Time. Still to come, astronomers search for new

00:03:02
physics in the debris of colliding neutron stars. And new

00:03:06
computer simulations suggest that rocky Earth-like planets

00:03:10
could come with their own Jupiter-Like bodyguards. All

00:03:14
that and more still to come on Space Time.

00:03:25
Thank you.

00:03:33
Scientists say neutron star mergers are likely to be a

00:03:37
treasure trove of new physics, with implications for even

00:03:40
determining the true nature of dark matter. Back on August 17,

00:03:44
2017, the LIGO laser interferometer gravitational

00:03:48
wave observatories in the United States, together with the Virgo

00:03:52
detector in Italy, observed gravitational waves coming from

00:03:55
a collision of two neutron stars.

00:03:58
And for the first time, this astronomical event was not only

00:04:02
heard in gravitational waves, but also seen in light by dozens

00:04:06
of telescopes on the ground and in space. Physicist Bhopal Deb

00:04:10
from Washington University in St. Louis used the observations

00:04:14
of the merger, identified as GW170817, to derive new

00:04:19
constraints on hypothetical axion-like particles.

00:04:23
These particles have never been directly observed. But they do

00:04:27
appear in many extensions of the standard model of particle

00:04:31
physics, the foundations of science's understanding of the

00:04:34
universe. You see, axions and axion-like particles are the

00:04:38
leading candidates for dark matter, the invisible substance

00:04:42
that makes up 85% of the entire mass of our universe.

00:04:47
Even though we can't see dark matter and scientists have no

00:04:50
idea what it is, they know it must exist because they can see

00:04:53
its influence on ordinary, so-called baryonic matter, the

00:04:57
stuff stars, planets, houses, trees, dogs, cats, cars and

00:05:00
people are made out of. They can see how dark matter holds

00:05:04
galaxies together as they rotate, preventing them from

00:05:07
flinging apart.

00:05:09
Deb says scientists have good reason to suspect that new

00:05:12
physics beyond the standard model might be lurking just

00:05:15
around the corner inside the collision of neutron stars. You

00:05:20
see, when two neutron stars merge, a hot, dense remnant is

00:05:24
formed for a brief period of time, and this remnant is an

00:05:27
ideal breeding ground for exotic particle production.

00:05:31
Deb says the remnant gets much hotter than the individual stars

00:05:34
for about a second before settling down to form either a

00:05:37
bigger neutron star or collapsing entirely to form a

00:05:40
black hole, depending on the initial masses. But these new

00:05:44
particles could quietly escape the debris of the collision and,

00:05:48
far away from their source, they might decay into known particles

00:05:51
like photons.

00:05:53
Devon colleagues have shown how these escaped hypothetical

00:05:56
particles could give rise to unique electromagnetic signals

00:06:00
that could be detected by gamma-ray telescopes such as

00:06:03
NASA's Fermi. The authors analyzed spectral and temporal

00:06:06
information from these hypothetical electromagnetic

00:06:09
signals and determined that they could distinguish the signals

00:06:12
from other known astrophysical background events.

00:06:16
They then used real Fermi data on GW1708-17 to derive new

00:06:21
constraints on the axion-photon coupling as a function of axion

00:06:25
mass. Their findings, reported in the journal Physical Review

00:06:29
Letters, suggest that these astrophysical constraints are

00:06:32
complementary to other studies coming from laboratory

00:06:34
experiments, such as those probing a different region of

00:06:38
axion parameter space.

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The authors say that in future, scientists could use existing

00:06:43
gamma-ray space telescopes like Fermi, or proposed gamma-ray

00:06:47
missions like the Advanced Particle Astrophysics Telescope,

00:06:50
to take other measurements during neutron star collisions,

00:06:53
and help improve on their understanding of these

00:06:55
hypothetical axion-like particles.

00:06:58
That's if they exist, of course. This is Space Time. Still to

00:07:03
come, new computer simulations suggest that rocky Earth-like

00:07:07
planets are likely to come with their own Jovian-like

00:07:10
bodyguards. And Beijing says it'll have taikonauts walking on

00:07:14
the Moon before the end of the decade. All that and more still

00:07:18
to come on Space Time.

00:07:29
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website. And now, it's back to our show. You're listening to

00:09:34
Space Time with Stuart Gary.

00:09:38
A new computer study looking at exoplanetary systems has found

00:09:42
that terrestrial Earth-like planets are often found in

00:09:45
systems which also host Jovian-like gas giants. The

00:09:49
findings, reported in the journal Astronomy And

00:09:51
Astrophysics, are based on simulations that track the

00:09:54
evolution of planetary systems over several billion years.

00:09:58
The study's lead author Martin Schlecker from the Max Planck

00:10:00
Institute detected the arrangement of rocky, gaseous

00:10:04
and icy planets in planetary systems around sun-like stars,

00:10:07
saying it's apparently not random and depends only on a few

00:10:12
initial conditions.

00:10:13
He says it seems planetary systems which produce

00:10:16
super-Earths with low water and gas content in their inner

00:10:20
regions very often also form a planet comparable with Jupiter

00:10:24
on a more outer orbit. These gas giants are thought to help keep

00:10:28
potentially dangerous objects away from inner regions.

00:10:32
Schlecker calls these Jupiter-Like planets cold

00:10:34
Jupiters. That's because they grow at a distance from their

00:10:37
central star where water exists in the form of ice. And he calls

00:10:41
Earth-like planets in his simulation super dry Earths

00:10:45
because they tend to be rocky worlds larger and more massive

00:10:48
than the Earth which have only a very thin atmosphere and hardly

00:10:51
any water or ice.

00:10:53
They populate the inner more temperate regions of a planetary

00:10:56
system and they're generally very similar to the Earth except

00:10:59
for their size. Also, Schlecker points out that the Earth,

00:11:03
despite the enormous oceans and polar regions the planet has,

00:11:07
really only has a volume fraction for water of just

00:11:10
0.12%, meaning that it is really a dry planet.

00:11:14
His findings are based on a statistical evaluation of new

00:11:17
simulations of a thousand planetary systems that have been

00:11:20
evolving in protoplanetary disks around sun-like stars. He ran

00:11:25
the simulations for the equivalent of several billion

00:11:28
years.

00:11:29
The authors started with random initial conditions for the

00:11:32
masses of gas and solid matter in the systems, the size of the

00:11:36
disk, and the position of the seed cells for the new planets.

00:11:40
They then tracked the life cycles of these systems as they

00:11:43
evolved.

00:11:44
During the simulations, the planetary embryos all collected

00:11:48
material and grew into proper planets. They changed their

00:11:51
orbits, some collided, others were ejected out from the

00:11:54
system. The simulated planetary systems all eventually wound up

00:11:58
with planets of different sizes, masses and compositions, and all

00:12:02
on different orbits around their central stars.

00:12:05
These simulations were then compared to observations of real

00:12:09
exoplanetary systems. Schlecker says that about 30% of real

00:12:14
planetary systems in which super-Earths are formed also

00:12:17
appear to have a cold Jupiter. The trouble is these simulated

00:12:21
planetary systems couldn't confirm this trend.

00:12:24
In fact, only a third of all cold Jupiters were accompanied

00:12:27
by at least one super-Earth. And only 10% of simulated systems

00:12:32
that contained a super-Earth also contained a cold Jupiter.

00:12:36
In other words, the simulation showed that both super-Earths

00:12:39
and cold Jupiters are only slightly more likely to occur

00:12:42
together in a planetary system than if they appeared

00:12:45
separately.

00:12:46
A possible explanation for this could involve the rate at which

00:12:49
gas planets gradually migrate inwards. Planetary formation

00:12:54
theory seems to predict higher rates than observed, leading to

00:12:57
an increased accumulation of gas giants on orbits of intermediate

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distance.

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In the simulations, these, let's call them warm Jupiters,

00:13:05
interfere with the inner orbits, causing more super-Earths to be

00:13:09
either ejected or collide. However, with a slightly lower

00:13:12
programmed tendency of simulated gas planets to migrate, more

00:13:16
super-Earths would remain, which is more comparable with

00:13:19
real-life observations.

00:13:21
Based on these findings, the authors developed a scenario

00:13:24
that could explain the formation of these quite different types

00:13:27
of planetary systems. They conclude that in disks with a

00:13:31
medium amount of mass, there's simply not enough material in

00:13:34
the inner warm regions to produce super-Earths.

00:13:38
At the same time, the amount is also too small in the outer

00:13:41
parts beyond the snow line, that 's where water is present in

00:13:44
frozen form, and so the proportion of ice chunks there

00:13:47
is quite large.

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So instead the material there condenses into super-Earth with

00:13:53
a large proportion of ices with a possible extended gas

00:13:56
envelope. These super-Earths then gradually migrate inwards.

00:14:01
Now, in contrast, there's usually enough material in

00:14:04
massive disks to form both Earth-like rocky planets with

00:14:07
poor ice and gas and moderate distances from the central star,

00:14:10
and also form cold gas giants like Jupiter beyond the snow

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line.

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Outside the orbit of cold Jupiter, ice-rich super-Earths

00:14:19
can form, but their migration in the radial direction is limited

00:14:23
by the influence of the gas giants. Therefore, they can't

00:14:27
enter the inner warm zone. Sound familiar?

00:14:31
Hi there, Martin Schlecker from MPIA in Heidelberg. I'm a PhD

00:14:36
student with Hubert Klar and Thomas Henning, and I study

00:14:40
exoplanet demographics using planet population synthesis.

00:14:45
In the work I'm presenting, we study the relations between

00:14:49
inner super-Earth and outer giant planets that live in the

00:14:52
same system. And we were wondering, is there a difference

00:14:56
in the composition of a super-Earth when there's a cold

00:14:59
Jupiter in the system compared to when there's none?

00:15:05
We found that indeed there is such a difference And it lies on

00:15:09
the properties of the protoplanetary disk in which the

00:15:12
planets have formed.

00:15:14
In a nutshell...

00:15:16
If you have a moderately massive disk, 100 Earth masses or so, We

00:15:21
see that primarily icy cores form just beyond the ice line.

00:15:26
They migrate to detectable distances and we end up with

00:15:28
systems of volatile rich super-Earths of low bulk

00:15:31
density. No giants are formed.

00:15:35
If you have on the other hand a rather massive disk, several

00:15:38
hundreds of Earth masses or more, you can form planetary

00:15:42
cores further in and then migrate inwards to become dry

00:15:45
super-Earths. But the conditions are also right to form giant

00:15:49
planets further out. And they prevent icy cores from migrating

00:15:53
inwards. In this case we get high density super Earths in the

00:15:57
inner system plus a distant giant planet.

00:16:01
From this follows a testable prediction. If you find an inner

00:16:04
super-Earth with a high density, you're more likely to find a

00:16:09
cold Jupiter in the same system as well.

00:16:11
That's the study's lead author, Martin Schlecker, from the Max

00:16:14
Planck Institute in Germany. And this is Space Time. Still to

00:16:19
come, China says it left astronauts walking on the Moon

00:16:22
before the end of the decade. And later in the Science Report,

00:16:26
a new study has found a link between extreme heat conditions

00:16:30
and the likelihood of having a preterm birth. All that and more

00:16:34
still to come on Space Time.

00:16:51
Beijing says it'll achieve a manned Moon landing before 2030.

00:16:57
It says central to their efforts is the development of a new

00:17:00
super rocket, the Long March 10, which is being specially

00:17:03
designed to carry spacecraft and landers into lunar orbit.

00:17:07
The new rocket will use combinations of liquid hydrogen,

00:17:10
liquid oxygen and kerosene as propellants. Now, alongside the

00:17:14
Long March 10, Beijing's also continuing development work on

00:17:18
both the Menju Man spacecraft and the Lan Yu lunar lander.

00:17:23
Beijing's current plans involve launching two Long March 10

00:17:26
rockets.

00:17:27
One will carry the spacecraft, the other the lunar lander. The

00:17:31
two vehicles will rendezvous in lunar orbit. Once in orbit, the

00:17:35
spacecraft and lander will dock, allowing Tarkinauts to transfer

00:17:39
to the lander for the descent down to the lunar surface.

00:17:42
And like their American counterparts, Beijing says

00:17:45
they're also developing a new type of spacesuit for use on the

00:17:48
lunar surface. China's already announced plans for the

00:17:52
development of a joint lunar base with the Russians, which

00:17:54
will be situated near the Moon's south pole. This is Space Time.

00:18:12
And time now to take another brief look at some of the other

00:18:14
stories making use in science this week with the Science

00:18:17
Report.

00:18:19
Scientists have discovered tiny plastic fragments known as

00:18:22
microplastics in the plaques of more than half of clogged artery

00:18:26
patients they've examined. A report in the New England

00:18:29
Journal Of Medicine claims the authors examined 257 patients

00:18:33
with carotid artery disease.

00:18:35
That's where fatty clumps called plaques form in the arteries.

00:18:39
They've found microplastic polyurethane in the artery

00:18:42
plaques of some 150 of the patients. That equates to 58.4%.

00:18:47
Thank you. Other microplastics, including polyvinyl chloride,

00:18:50
were found in the plaques of a further 31 patients, or 12.1%.

00:18:55
Using powerful microscopes, the authors could see the jagged

00:18:59
fragments of plastic among the fatty plaques. Following up

00:19:03
patients for 34 months, the authors found the plastics

00:19:07
appeared to increase the risk of heart attack, stroke or death

00:19:10
compared to patients who didn't have any plastics in their

00:19:12
system.

00:19:15
Scientists say they've found a link between being exposed to

00:19:18
extreme heat while pregnant and the likelihood of having a

00:19:21
preterm birth. Yet amazingly, the same study also showed that

00:19:26
simply being around green spaces, or greenness in general,

00:19:29
might mitigate the negative effects of the heat.

00:19:32
The findings, reported in the Journal Of The American Medical

00:19:35
Association, involved investigations of over 1.2

00:19:39
million babies born in Sydney. The authors found extreme heat

00:19:43
exposure during the third trimester had the strongest link

00:19:46
to having a preemie. But by looking how green the area was

00:19:51
in which the women were living, the authors say these

00:19:53
associations could be somewhat mitigated by living in a greener

00:19:57
district.

00:19:59
New research warns that the first half of 2024 is likely to

00:20:03
see many areas of the world experience record-breaking

00:20:06
average surface air temperatures because of the influence of El

00:20:09
Nino. The study, published in the journal Scientific Reports,

00:20:13
says coastal areas in Asia such as the Bay Of Bengal and the

00:20:16
South China Sea, as well as Alaska, the Caribbean Sea and

00:20:20
the Amazon, are especially susceptible.

00:20:23
They say this impending warmth heightens the risk of year-round

00:20:27
marine heatwaves and also escalates the threat of

00:20:30
wildfires and other negative consequences in Alaska and the

00:20:33
Amazon Basin.

00:20:36
Well, it seems enthusiasts have now compiled a list of what they

00:20:39
say are the 10 most haunted bodies of water in the world.

00:20:44
Tim Mendham from Australian Skeptic says the list ranges

00:20:47
from a pearly northern Queensland through to the

00:20:49
Bermuda Triangle and Loch Ness, but also includes lots of places

00:20:54
you've never heard of.

00:20:55
The list of the 10 most haunted bodies of water in the world is

00:20:57
a classic, what we call listicles, like an article which

00:21:00
is based on a list. Everyone likes a list. Everyone likes a

00:21:03
top list.

00:21:03
I love the lists.

00:21:04
Yeah, and so listicles appear all the time. It's a sure way of

00:21:07
trying to get a, you put it on your cover and you're trying to

00:21:09
get a following. Bodies of water in this... Context for the most

00:21:13
haunted is a variable term from a pool in northern Queensland,

00:21:18
and that's the only Australian entry to it, to the Bermuda

00:21:20
Triangle, which is a huge stretch of water in the ocean.

00:21:23
Bodies of water covers a multitude of sins. Okay, the

00:21:26
number 10 in this is the Devil's Pool in Australia, where in

00:21:29
Aboriginal legend, a Romeo and Juliet type situation, and the

00:21:33
woman leapt into the pool and said to her boyfriend, follow

00:21:36
me, and he was killed, and her ghost made you heard as you

00:21:39
passed by the Devil's Pool.

00:21:40
A lot of other people have slipped in. Apparently it's a

00:21:42
bit dangerous. A lot of slippery rocks and things have fallen in

00:21:45
and got caught underwater. Often they don't reappear. Some

00:21:47
reappear, some don't. Dead. The suggestion is they're caught

00:21:50
under rocks and things. Prone to flash flooding. So you can be

00:21:53
standing by the rocks and suddenly whoosh, you're washed

00:21:55
in.

00:21:56
This is somewhere in northern Queensland.

00:21:57
Yeah, northern Queensland. Number nine is the Bermuda

00:21:59
Triangle, which this article says, there is no explanation

00:22:02
for what occurs in the Devil's Triangle. As much as scholars

00:22:06
try to find a logical explanation for lost ships or

00:22:09
crew, in many instances, what happened out at sea remains a

00:22:12
mystery.

00:22:12
Well, naturally, if a boat disappears and they haven't told

00:22:15
anyone, that's a mystery. But there'll probably be

00:22:16
explanations for everything that happens in the Bermuda Triangle.

00:22:18
It's no more dangerous than any other area regarding...

00:22:22
Considering how much traffic there is in the area and also

00:22:24
how much illicit traffic there is in that area because there's

00:22:26
a lot of drug smuggling and people smuggling through there.

00:22:28
But they say the Bermuda Triangle is one of the best sort

00:22:31
of haunted bodies of water. There's another one called Chook

00:22:34
Lagoon, C-H-U-U-K, in Micronesia, which is little

00:22:38
islands up in the sort of Pacific. They featured a lot in

00:22:40
the Second World War.

00:22:41
And this was supposed to be a fleet of Japanese ships in a

00:22:45
lagoon. The Americans found out, bonded, all the ships sank.

00:22:48
Biggest site of wrecks. ...in the world that a lot of scuba

00:22:51
divers and things like to go and visit. That was in 1945, and the

00:22:54
people said they can still hear the voices of the Japanese

00:22:57
sailors and Japanese crew on these ships after they sank.

00:23:00
And it says that the fact that there are... Skeletal remains at

00:23:03
the bottom of the lagoon. It's no wonder that he's one of the

00:23:05
most haunted bodies of water in the world. I've been trying to

00:23:07
do some research as to how long skeletons last underwater. And

00:23:10
if it's very cold water, they can last a fair while.

00:23:13
The bodies tend to get eaten pretty quickly, and the skeleton

00:23:15
might last longer. In the hot water, which is this with

00:23:18
Micronesia, that's pretty much on the equator. The skeleton

00:23:21
might last a few years. I would suggest... Decades, but since

00:23:24
1945, how many years is that? That's 50, 70, 80 years. You're

00:23:28
very unlikely to find anything left of a skeleton.

00:23:30
You might find little bits and pieces. If you're an

00:23:32
archaeologist or a paleontologist or something, you

00:23:34
might find something of interest. But generally

00:23:36
speaking, you're not going to go down to these wrecks and find

00:23:38
bodies, skeletons with their skulls with their mouths open

00:23:41
looking really scary.

00:23:42
Animals, tide, composition of the water is going to sort of

00:23:45
take away the skeletons pretty much entirely. So making a

00:23:48
statement like that is as bad as saying that the Bermuda Triangle

00:23:51
hasn't been solved. It has been. White Rock Lake in Texas is

00:23:55
another place that can't be used for swimming again. It's like

00:23:57
the Devil's Pool in Queensland.

00:23:59
They've sort of fenced it off because it's a dangerous bit of

00:24:01
water. That doesn't stop people going in, and some people will

00:24:04
drown. Suppose a young woman dressed in white haunts this

00:24:07
body of water, and people have said she's still around and

00:24:10
making things uncomfortable for people, including soaked from

00:24:12
head to foot.

00:24:13
Oh, it's like the Wakers Parkway ghost.

00:24:15
The Wakers Parkway ghost? It's like the Central Coast ghost up

00:24:19
near the top of Terrigal.

00:24:21
Oh, there's one at the Citroën.

00:24:23
Oh, that's been around for ages. Okay.

00:24:24
I heard one the other day. Apparently there's a ghost that

00:24:27
haunts Macquarie Fields Railway Station in Sydney South.

00:24:31
Does it hop in the back of cars?

00:24:32
No, it sits between the railroad tracks after the last train of

00:24:37
the night has departed. What train? Yeah. Not in a carriage.

00:24:41
On the tracks.

00:24:42
On the tracks itself.

00:24:43
It's White Rock Lake, Wilman. Smoking wet because she's been

00:24:46
in the water, obviously standing by the side of the road saying,

00:24:48
can you give me a lift? People stop to give her a lift and say,

00:24:50
where do you want to go? And they turn around and she's not

00:24:52
there anymore, but the seat's wet.

00:24:55
It's like a lot of urban myth, the vanishing hitchhiker and all

00:24:58
this sort of stuff.

00:24:58
Yeah, and the sound of tapping and, yeah.

00:25:00
Tapping on the roof is just the killer on the roof smashing the

00:25:04
head of the boyfriend on the roof of the car. Yep. Manchac

00:25:07
Swamp in Louisiana, again with Native Americans'involvement.

00:25:10
Someone has drowned there. Julia Brown is hanging around the

00:25:13
water there.

00:25:14
Americans went through it and destroyed town on the day of her

00:25:16
funeral, and therefore the people are regarded as cursed.

00:25:20
Gardner Lake, Connecticut. It's just a weird one. People on one

00:25:23
side of the lake decided they wanted to move their house

00:25:25
across to the other side of the lake. I'm not quite sure it's a

00:25:27
nice view. Who knows? So... In typical American innovative

00:25:31
style.

00:25:31
Pick it up, put it on the barge.

00:25:33
They put it on the barge and tried to push it across the

00:25:34
frozen lake during winter, obviously. Okay. And that's a

00:25:37
quick way of getting it across. You just sort of, wee, skate.

00:25:40
Unfortunately, surprise, it broke through the...

00:25:42
The ice wasn't thick enough.

00:25:43
No, to carry a house, yeah. Whoops. And they broke through

00:25:47
and the thing fell to the bottom of the water and there's the

00:25:49
piano. The furniture was all in the house. The story goes. I

00:25:51
have seen photos of the house sinking, actually. Obviously, it

00:25:53
didn't sink very quickly. It could get out there with a

00:25:56
camera.

00:25:56
You'd think it'd be made of wood so it would float.

00:25:58
Maybe it didn't sink. Entirely, but that hasn't stopped a good

00:26:01
story from being made about it.

00:26:02
And they can what? They can still hear the piano playing at

00:26:04
night?

00:26:05
They can still hear the piano playing, yeah. It's cool, isn't

00:26:07
it? I like that one. Okay. Mantenita Beach in Oregon. I

00:26:10
don't know how well Oregon is sort of set up for beaches, but

00:26:12
never mind.

00:26:12
It's great for Bigfoot, or is that Bigfeet?

00:26:15
Bigfoots.

00:26:15
Bigfoots, yeah.

00:26:16
Sasquatch. Yeah. Sasquatches. Mantenita Beach in Oregon.

00:26:20
Shipwreck sailors. Spanish sailors. Going up that side of

00:26:22
the American coast shipwreck, hiding their treasure, because

00:26:25
they had a lot of treasure on the boat, so they carried it up

00:26:27
the shore, killed someone, they buried the treasure and put the

00:26:30
body on top of it to try and discourage anyone trying to rob

00:26:32
their treasure, and disappeared.

00:26:34
So basically the treasure is supposed to be still there.

00:26:37
People find piles of rocks stacked down on the beach in the

00:26:40
dawn and no one's seen them, so they put it up there. Number

00:26:42
three is Okika's World Japan, which is a world that someone

00:26:44
who didn't like being hooked up with, someone she particularly

00:26:47
didn't like, so she threw herself down a well and her

00:26:49
voice could be heard.

00:26:50
I can relate to that, yeah.

00:26:51
Yeah, I can relate to that too. Then a samurai came out and then

00:26:54
a priest came out later on. This was a long time ago, supposedly.

00:26:59
He came out and he sort of quietened her cries because it's

00:27:03
something to do with valuable plates and they're going to

00:27:05
blame it on this girl or something like that.

00:27:07
Something weird. Number two, Loch Ness. Now, I have to point

00:27:11
out that I don't think Loch Ness is haunted. Put aside Nessie,

00:27:14
the Loch Ness monster, for which there is no convincing evidence,

00:27:17
well, it depends on who you are, I suppose, if it's convincing or

00:27:19
not.

00:27:19
See, I would have thought this would have been number one.

00:27:21
I would have thought it would be pretty good, actually. But the

00:27:23
thing is that Loch Ness, some people suggest that Nessie is a

00:27:26
paranormal beast, not a real thing, and that would be sort of

00:27:29
haunted-ish, but it's not really haunted. It's more just

00:27:32
phenomena and a strange creature. I think most people

00:27:35
who are saying there's a monster in the lake think it's a real

00:27:38
creature.

00:27:39
Yeah, they're thinking cryptozoology as opposed to

00:27:41
spirituality.

00:27:43
I think so, yeah. A real thing, not a ghost. I don't know if

00:27:46
that one qualifies.

00:27:47
A real made-up thing, not an imaginative thing.

00:27:51
I think this is in the list of number two because it's a

00:27:53
well-known bit of water, not because necessarily it's

00:27:55
haunted. We'll put that one to one side and go to number one.

00:27:58
There's a castle there. Is that supposed to be haunted? It

00:28:00
wasn't the castle.

00:28:01
It was a castle. Yeah. Which I've been to several times. I

00:28:04
don't know. It's pretty open. It 's pretty much a ruin. I don't

00:28:06
know if there's a place for a ghost to hang around there,

00:28:08
actually.

00:28:09
There'd be spirits there, but they're of the type that used to

00:28:11
be in bottles.

00:28:12
Ah, boom, boom. Because it is in Scotland. They're bound to be in

00:28:14
Scotland, yeah. You know, there 's another monster down in Loch

00:28:18
Morag, which is down the road from Loch Ness?

00:28:19
Yes, yes. Most Scottish lochs have a creature in them.

00:28:22
Yeah, but people ignore that because, you know, Loch Ness is

00:28:24
more famous.

00:28:25
Well, that's the one you want to go to, yeah.

00:28:26
They go to Loch Ness and don't see it there. Okay, number one,

00:28:29
Lower Yellowstone Falls in Wyoming. As you can see, a lot

00:28:33
of these things are in America, so... The international

00:28:36
component doesn't get a big look in. So anyway, the group of

00:28:38
explorers being led through Yellowstone, not the national

00:28:42
park, it wasn't then, by an Indian Native American guide.

00:28:45
They're looking, trying to find gold. Local Native Americans

00:28:49
decide to come to the camp and they steal their horses. And

00:28:52
when the explorers wake up and find the horses gone, they then

00:28:55
start looking for this tribe of people who stole their horses.

00:28:57
And they see them at the top of the falls, these Lower

00:29:00
Yellowstone Falls, and they're trying to cross. However, the

00:29:03
current proved too strong and they were unable to cross on

00:29:06
their raft. I don't know why they're crossing on a raft with

00:29:08
horses at the top of a waterfall. It doesn't seem very

00:29:11
likely. You'd go further across when it slows down a bit.

00:29:14
I think so.

00:29:15
And they fall off. And they obviously were never heard from

00:29:18
again. But they were heard. They were singing their death songs

00:29:21
as they fell down.

00:29:22
You're missing the Lorelei on the Rhine River. There are so

00:29:26
many that are missing because of this American-Centric listicle.

00:29:29
Yeah, American-Centric listicles is a common genre. I've seen the

00:29:33
most haunted hotels in the world, and about one of them is

00:29:36
not in the listicle. And you think, oh, God.

00:29:38
A lot of them have exactly the same theme. A girl or people die

00:29:42
there and their spirit haunts the place. That seems to be it.

00:29:45
Yeah, it's the little mermaid theory.

00:29:47
That's Tim Mendham from Australian Skeptics.

00:30:06
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