Nancy Chris Roman Space Telescope Assembly Complete: NASA has successfully assembled the Nancy Chris Roman Space Telescope, a major milestone that brings us closer to its anticipated launch in May 2027. This powerful telescope, equipped with a 288-megapixel camera, promises to gather data hundreds of times faster than Hubble, potentially unveiling over 100,000 new exoplanets and billions of galaxies.
Russian Soyuz Rocket Launch Damage: Following a successful launch to the International Space Station, damage was discovered at the Baikonur Cosmodrome, attributed to vibrations and heat from the launch. Repairs are expected to take around three months, but there’s no immediate threat to future crewed missions.
Satellite Mega Constellations and Light Pollution: A new forecast reveals that satellite mega constellations could severely impact astronomical observations, with projections showing that 1/3 of Hubble's images may be contaminated with satellite trails by the 2030s. Solutions are being explored to mitigate this growing issue.
Geological Differences Between Earth and Venus: Recent research sheds light on the geological differences between Earth and Venus, highlighting that Venus operates under a 'squishy lid' regime, which affects its volcanism and tectonic activity. This new framework helps explain the presence of active volcanoes on the otherwise stagnant planet.
James Webb Space Telescope's Stunning New Image: The James Webb Space Telescope captures a breathtaking image of two colliding dwarf galaxies, NGC 4490 and NGC 4485, revealing a bridge of gas and new stars formed from their gravitational interaction, showcasing the dynamic nature of the universe.
Rare High-Definition Sunspot Images: Astronomers have captured rare high-definition images of sunspots just before they erupted in a powerful solar flare. These images provide critical insights into the sun's magnetic activity and could improve our ability to predict solar events that impact technology on Earth.
For more cosmic updates, visit our website at astronomydaily.io (http://www.astronomydaily.io/). Join our community on social media by searching for #AstroDailyPod on Facebook, X, YouTubeMusic, TikTok, and our new Instagram account! Don’t forget to subscribe to the podcast on Apple Podcasts, Spotify, iHeartRadio, or wherever you get your podcasts.
Thank you for tuning in. This is Avery and Anna signing off. Until next time, keep looking up and exploring the wonders of our universe.
✍️ Episode References
Nancy Chris Roman Space Telescope
[NASA]( https://www.nasa.gov/ (https://www.nasa.gov/) )
Soyuz Launch Damage Report
[Roscosmos]( https://www.roscosmos.ru/ (https://www.roscosmos.ru/) )
Satellite Constellation Forecast
[Hubble Space Telescope]( https://hubblesite.org/ (https://hubblesite.org/) )
Venus Geological Research
[Planetary Science Journal]( https://www.planetarysciencejournal.com/ (https://www.planetarysciencejournal.com/) )
James Webb Space Telescope Image
[NASA Webb]( https://webb.nasa.gov/ (https://webb.nasa.gov/) )
Sunspot Observations
[Gregor Solar Telescope]( https://www.gregorsolar.telescope/ (https://www.gregorsolar.telescope/) )
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00:00:00 --> 00:00:03 Welcome to Astronomy Daily, the podcast
00:00:03 --> 00:00:05 that brings you the universe, one story
00:00:05 --> 00:00:07 at a time. I'm Avery.
00:00:07 --> 00:00:09 >> And I'm Anna. It's great to have you
00:00:09 --> 00:00:11 with us. Today, we've got stories that
00:00:11 --> 00:00:14 range from NASA's next great observatory
00:00:14 --> 00:00:16 to a stunning new image from the James
00:00:16 --> 00:00:18 Web Space Telescope. We'll also be
00:00:18 --> 00:00:20 looking at some trouble on a Kazakhstan
00:00:20 --> 00:00:22 launchpad and why Earth is so
00:00:22 --> 00:00:24 geologically unique.
00:00:24 --> 00:00:26 >> Let's not wait. Anna, why don't you
00:00:26 --> 00:00:28 start us off with our first story? It
00:00:28 --> 00:00:29 sounds like there's a new powerhouse
00:00:30 --> 00:00:31 telescope getting ready for the cosmic
00:00:31 --> 00:00:32 stage.
00:00:32 --> 00:00:34 >> That's right, Avery. NASA has just
00:00:34 --> 00:00:36 completed the assembly of the Nancy
00:00:36 --> 00:00:39 Grace Roman Space Telescope. Technicians
00:00:39 --> 00:00:41 at the Gddard Space Flight Center join
00:00:41 --> 00:00:43 the inner and outer portions of the
00:00:43 --> 00:00:45 spacecraft, which is a major milestone.
00:00:45 --> 00:00:47 >> So, it's fully built now. When do we get
00:00:47 --> 00:00:49 to see it in action?
00:00:49 --> 00:00:51 >> After some final testing, it's slated to
00:00:51 --> 00:00:54 launch by May 2027. Although the team
00:00:54 --> 00:00:56 says they're on track for a potential
00:00:56 --> 00:00:59 launch as early as fall 2026, a SpaceX
00:00:59 --> 00:01:01 Falcon Heavy will carry it to its
00:01:01 --> 00:01:04 destination a million miles from Earth.
00:01:04 --> 00:01:06 >> A million miles. Same neighborhood as
00:01:06 --> 00:01:08 the web telescope. Then what's the
00:01:08 --> 00:01:10 mission for Roman? What mysteries is it
00:01:10 --> 00:01:12 designed to solve?
00:01:12 --> 00:01:15 >> Its scope is just immense. The primary
00:01:15 --> 00:01:18 instrument is a 288 megapixel wide field
00:01:18 --> 00:01:21 camera. To put that in perspective,
00:01:21 --> 00:01:23 Roman is expected to gather data
00:01:23 --> 00:01:25 hundreds of times faster than the Hubble
00:01:25 --> 00:01:26 Space Telescope.
00:01:26 --> 00:01:29 >> Wow. Hundreds of times faster.
00:01:29 --> 00:01:31 >> Exactly. In its first 5 years alone, the
00:01:31 --> 00:01:33 mission is projected to unveil more than
00:01:33 --> 00:01:36 100 new exoplanets, hundreds of
00:01:36 --> 00:01:38 millions of stars, and billions of
00:01:38 --> 00:01:40 galaxies. It's also testing a new
00:01:40 --> 00:01:42 technology called a coronagraph
00:01:42 --> 00:01:44 instrument. This is designed to block
00:01:44 --> 00:01:47 out the overwhelming light from a star,
00:01:47 --> 00:01:49 allowing astronomers to directly image
00:01:49 --> 00:01:51 the much fainter planets orbiting it.
00:01:51 --> 00:01:53 It's a huge leap forward in our ability
00:01:53 --> 00:01:55 to survey the cosmos.
00:01:55 --> 00:01:57 >> That's incredible. From one powerful
00:01:57 --> 00:01:59 machine to another, our next story is a
00:02:00 --> 00:02:01 bit more down to earth, and
00:02:01 --> 00:02:04 unfortunately, it involves some damage.
00:02:04 --> 00:02:06 >> Damage is the polite way of putting it,
00:02:06 --> 00:02:08 though it's not as catastrophic as some
00:02:08 --> 00:02:10 would have you believe. On November
00:02:10 --> 00:02:13 27th, a Russian Soyuse rocket
00:02:13 --> 00:02:15 successfully launched three astronauts
00:02:15 --> 00:02:16 to the International Space Station from
00:02:16 --> 00:02:19 the Biconor Cosmo Drrome. The launch
00:02:19 --> 00:02:22 itself went off without a hitch.
00:02:22 --> 00:02:24 >> Okay, so what's the problem?
00:02:24 --> 00:02:27 >> The issue was discovered during routine
00:02:27 --> 00:02:30 post-launch inspections. Officials from
00:02:30 --> 00:02:34 Roscosmos, Russia Space Agency, reported
00:02:34 --> 00:02:36 finding damage to several launchpad
00:02:36 --> 00:02:38 components.
00:02:38 --> 00:02:40 >> That doesn't sound good. Do they know
00:02:40 --> 00:02:42 what caused it? Rocosmos is still
00:02:42 --> 00:02:44 assessing the situation, but they've
00:02:44 --> 00:02:46 said all the necessary spare parts are
00:02:46 --> 00:02:48 available for a quick repair. However,
00:02:48 --> 00:02:51 one expert, Brian Harvey, has suggested
00:02:51 --> 00:02:53 a possible cause. He believes a
00:02:53 --> 00:02:55 combination of the intense vibration and
00:02:55 --> 00:02:57 heat from the launch along with some
00:02:57 --> 00:03:00 improperly installed roller pins may
00:03:00 --> 00:03:02 have caused a service tower to topple
00:03:02 --> 00:03:03 over after the rocket had cleared the
00:03:03 --> 00:03:04 pad.
00:03:04 --> 00:03:06 >> Right. A service tower falling over
00:03:06 --> 00:03:09 would certainly count as damage. What
00:03:09 --> 00:03:11 does this mean for future launches?
00:03:11 --> 00:03:13 >> Harvey estimates it could take about 3
00:03:14 --> 00:03:16 months to repair, likely scavenging
00:03:16 --> 00:03:18 parts from other launch pads. The good
00:03:18 --> 00:03:20 news is that the next crew handover at
00:03:20 --> 00:03:23 the ISS isn't scheduled until July, and
00:03:23 --> 00:03:26 the next astronaut mission from US soil
00:03:26 --> 00:03:29 is a SpaceX flight in February, so no
00:03:29 --> 00:03:31 astronauts are stranded. However, the
00:03:31 --> 00:03:33 next Russian Progress supply ship
00:03:33 --> 00:03:36 delivery to the station will be delayed.
00:03:36 --> 00:03:38 We'll be keeping an eye on how quickly
00:03:38 --> 00:03:40 those repairs progress, but please know
00:03:40 --> 00:03:43 there is no panic and it isn't the end
00:03:43 --> 00:03:45 of the Russian space program. As has
00:03:45 --> 00:03:46 been reported in some of the more
00:03:46 --> 00:03:48 sensationalist media, it will be
00:03:48 --> 00:03:51 repaired and back in business.
00:03:51 --> 00:03:53 >> From problems on the ground to problems
00:03:54 --> 00:03:56 in orbit, Avery, we often talk about
00:03:56 --> 00:03:58 light pollution for groundbased
00:03:58 --> 00:04:01 telescopes, but a new forecast reveals
00:04:01 --> 00:04:03 that even our eyes in space are not
00:04:03 --> 00:04:06 safe. You're talking about satellite
00:04:06 --> 00:04:08 mega constellations, right? I've seen
00:04:08 --> 00:04:11 some startling images of bright streaks
00:04:11 --> 00:04:13 ruining astronomical photos.
00:04:14 --> 00:04:16 >> Exactly. And it's getting worse. If the
00:04:16 --> 00:04:19 current industry proposals for about
00:04:19 --> 00:04:21 half a million new satellites become a
00:04:21 --> 00:04:23 reality, the problem will escalate
00:04:23 --> 00:04:26 dramatically. Projections show that by
00:04:26 --> 00:04:29 the 2030s, onethird of all images from
00:04:29 --> 00:04:32 the Hubble Space Telescope will be
00:04:32 --> 00:04:35 contaminated with satellite trails.
00:04:35 --> 00:04:37 >> Onethird? That's a massive loss of data
00:04:38 --> 00:04:40 and time for one of our most important
00:04:40 --> 00:04:41 scientific instruments.
00:04:41 --> 00:04:44 >> It is. And for some newer telescopes,
00:04:44 --> 00:04:47 it's even more dire. The Chinese Space
00:04:47 --> 00:04:50 Station Telescope, Santien, is projected
00:04:50 --> 00:04:53 to be the worst affected. Some studies
00:04:53 --> 00:04:56 predict contamination and more than 96%
00:04:56 --> 00:04:59 of its observations with an average of
00:04:59 --> 00:05:03 92 satellite trails per exposure.
00:05:03 --> 00:05:05 >> 96%.
00:05:05 --> 00:05:07 At that point, the telescope is almost
00:05:07 --> 00:05:10 unusable for its intended purpose. It
00:05:10 --> 00:05:12 seems unsustainable.
00:05:12 --> 00:05:14 Are there any solutions being discussed?
00:05:14 --> 00:05:17 >> There are. Mitigation strategies are
00:05:17 --> 00:05:19 actively being developed. They include
00:05:19 --> 00:05:21 better orbital tracking to help
00:05:21 --> 00:05:23 astronomers avoid pointing at
00:05:23 --> 00:05:25 satellites, international coordination
00:05:25 --> 00:05:27 on satellite brightness standards, and
00:05:28 --> 00:05:30 perhaps most importantly, restricting
00:05:30 --> 00:05:32 the altitudes of these large
00:05:32 --> 00:05:35 constellations to below 600 km, which
00:05:35 --> 00:05:38 would reduce their visibility. It's a
00:05:38 --> 00:05:39 critical issue for the future of
00:05:39 --> 00:05:40 astronomy.
00:05:40 --> 00:05:43 >> It's a stark reminder of how crowded our
00:05:43 --> 00:05:46 orbital space is becoming. Okay, from
00:05:46 --> 00:05:48 our near space environment to our
00:05:48 --> 00:05:50 planetary neighbors, let's talk about
00:05:50 --> 00:05:53 Venus. We often call it Earth's twin,
00:05:53 --> 00:05:55 but new research is helping us
00:05:55 --> 00:05:57 understand one of the biggest
00:05:57 --> 00:05:59 differences between them, plate
00:05:59 --> 00:06:00 tectonics,
00:06:00 --> 00:06:03 >> right? Earth has this active moving
00:06:03 --> 00:06:05 crust, while Venus is often described as
00:06:05 --> 00:06:08 having a stagnant single plate surface.
00:06:08 --> 00:06:10 Why is that?
00:06:10 --> 00:06:12 >> An international team has developed a
00:06:12 --> 00:06:14 new framework for understanding how
00:06:14 --> 00:06:17 planets work. Geologically, using
00:06:17 --> 00:06:20 numerical models, they identified six
00:06:20 --> 00:06:22 distinct regimes for planetary
00:06:22 --> 00:06:25 tectonics. Earth exists in what they
00:06:25 --> 00:06:28 call the mobile lid regime, which is
00:06:28 --> 00:06:30 crucial for our planet's long-term
00:06:30 --> 00:06:33 habitability as it regulates climate by
00:06:33 --> 00:06:34 cycling carbon.
00:06:34 --> 00:06:38 >> The mobile lid. I like that. So, what
00:06:38 --> 00:06:40 kind of lid does Venus have? The study
00:06:40 --> 00:06:42 suggests Venus operates under what's
00:06:42 --> 00:06:46 called a plutonic squishy lid or an
00:06:46 --> 00:06:49 episodic squishy lid regime. In this
00:06:49 --> 00:06:51 model, the lithosphere, the planet's
00:06:51 --> 00:06:54 outer shell, is too hot and weak to
00:06:54 --> 00:06:57 break into distinct plates like Earth's.
00:06:57 --> 00:06:59 Instead, rising magma from the mantle
00:06:59 --> 00:07:02 weakens the crust from below.
00:07:02 --> 00:07:05 >> A squishy lid. So, it doesn't move
00:07:05 --> 00:07:07 globally, but it's not totally inactive
00:07:07 --> 00:07:08 either.
00:07:08 --> 00:07:11 Precisely. This leads to regional
00:07:11 --> 00:07:13 intermittent vcanism rather than the
00:07:13 --> 00:07:16 global tectonics we see here. And this
00:07:16 --> 00:07:18 model actually helps explain some other
00:07:18 --> 00:07:21 recent discoveries. We've seen findings
00:07:21 --> 00:07:23 suggesting there are active volcanoes on
00:07:23 --> 00:07:26 Venus, which seemed puzzling without
00:07:26 --> 00:07:29 plate tectonics. This squishy lid idea
00:07:29 --> 00:07:31 provides a mechanism for that volcanism
00:07:31 --> 00:07:33 to occur.
00:07:33 --> 00:07:36 Speaking of spectacular space phenomena,
00:07:36 --> 00:07:38 let's turn back to the James Webb Space
00:07:38 --> 00:07:41 Telescope. It has captured another
00:07:41 --> 00:07:43 breathtaking image. This time of a close
00:07:43 --> 00:07:46 encounter between two dwarf galaxies.
00:07:46 --> 00:07:49 >> Oh, I saw this one. The image is just
00:07:49 --> 00:07:54 stunning. It's the pair NGC 4490 and NGC
00:07:54 --> 00:07:56 4485. Right.
00:07:56 --> 00:07:59 >> That's them. They're about 24 million
00:07:59 --> 00:08:01 lighty years away and they're in the
00:08:01 --> 00:08:04 process of colliding. The web image is
00:08:04 --> 00:08:06 so detailed it reveals a glowing bridge
00:08:06 --> 00:08:10 of gas and streams of neworn stars
00:08:10 --> 00:08:12 connecting the two galaxies. The
00:08:12 --> 00:08:14 gravitational interaction between them
00:08:14 --> 00:08:16 has spurred a massive burst of new star
00:08:16 --> 00:08:18 formation.
00:08:18 --> 00:08:20 >> So, they're creating new stars as they
00:08:20 --> 00:08:23 pull each other apart. That's poetic.
00:08:23 --> 00:08:25 Can we tell how this interaction
00:08:25 --> 00:08:28 unfolded? We can by analyzing the
00:08:28 --> 00:08:30 different populations of stars.
00:08:30 --> 00:08:32 Researchers have been able to trace the
00:08:32 --> 00:08:35 timeline. They suggest the two galaxies
00:08:35 --> 00:08:38 first swept past each other about 200
00:08:38 --> 00:08:41 million years ago. During that pass, the
00:08:42 --> 00:08:45 larger galaxy NGC 4490
00:08:45 --> 00:08:48 began siphoning gas from its smaller
00:08:48 --> 00:08:51 partner NGC 4485.
00:08:51 --> 00:08:53 That stolen gas is now fueling the
00:08:53 --> 00:08:57 starburst we see in that glowing bridge.
00:08:57 --> 00:08:59 >> Incredible. It's like cosmic
00:08:59 --> 00:09:02 archaeology. A fantastic image with a
00:09:02 --> 00:09:06 fascinating story behind it. Now for our
00:09:06 --> 00:09:09 final story, we're coming much closer to
00:09:09 --> 00:09:12 home to our very own star. In early
00:09:12 --> 00:09:14 November, astronomers captured some
00:09:14 --> 00:09:17 extremely rare highdefinition images of
00:09:17 --> 00:09:21 sunspots in an active region designated
00:09:21 --> 00:09:24 Noah 14274.
00:09:24 --> 00:09:27 >> And what makes these images so special?
00:09:27 --> 00:09:30 >> The timing. The images were taken by the
00:09:30 --> 00:09:33 Greger Solar Telescope in Spain just 30
00:09:33 --> 00:09:35 minutes before those same sunspots
00:09:36 --> 00:09:40 erupted, emitting a powerful X1.2 class
00:09:40 --> 00:09:41 solar flare.
00:09:42 --> 00:09:44 Wow, that's like having a camera pointed
00:09:44 --> 00:09:47 at a volcano right before it blows.
00:09:47 --> 00:09:48 Capturing that with a groundbased
00:09:48 --> 00:09:51 telescope must be incredibly diff.
00:09:51 --> 00:09:54 >> It is. You have to be looking at the
00:09:54 --> 00:09:56 right spot at the right time and you
00:09:56 --> 00:09:58 need clear weather. It's a rare
00:09:58 --> 00:10:02 trifecta. The images are remarkable.
00:10:02 --> 00:10:04 They show what are called penumbal
00:10:04 --> 00:10:06 fibrals. These are the filaments
00:10:06 --> 00:10:08 extending from the dark center of the
00:10:08 --> 00:10:11 sunspot that are strongly curved and
00:10:11 --> 00:10:13 braided together.
00:10:13 --> 00:10:16 >> And what does that braiding tell us?
00:10:16 --> 00:10:18 >> It's a clear visual indicator of a
00:10:18 --> 00:10:20 highly stressed and tangled magnetic
00:10:20 --> 00:10:23 field. Think of it like a tightly wound
00:10:23 --> 00:10:27 rubber band. That immense stored energy
00:10:27 --> 00:10:29 is a direct precursor to an explosive
00:10:29 --> 00:10:31 release, which is exactly what happened
00:10:32 --> 00:10:34 30 minutes later with the solar flare.
00:10:34 --> 00:10:36 And this is just the beginning.
00:10:36 --> 00:10:38 Researchers are currently processing
00:10:38 --> 00:10:40 nearly 40 more data sets from the
00:10:40 --> 00:10:43 telescope, which could revolutionize how
00:10:43 --> 00:10:46 we predict these powerful solar events.
00:10:46 --> 00:10:49 >> And better prediction is crucial. These
00:10:50 --> 00:10:52 powerful solar events can disrupt
00:10:52 --> 00:10:54 satellites, power grids, and even pose a
00:10:54 --> 00:10:57 risk to astronauts. Understanding their
00:10:57 --> 00:10:59 warning signs is vital for our
00:10:59 --> 00:11:02 technological infrastructure. And that
00:11:02 --> 00:11:04 brings us to the end of our news roundup
00:11:04 --> 00:11:07 for today. It's been another busy day in
00:11:07 --> 00:11:08 the cosmos.
00:11:08 --> 00:11:11 >> It certainly has. Thanks for joining us
00:11:11 --> 00:11:13 on Astronomy Daily. We'll be back again
00:11:13 --> 00:11:15 tomorrow with another look at the latest
00:11:15 --> 00:11:17 news from across the universe. Until
00:11:17 --> 00:11:19 then, I'm Avery.
00:11:19 --> 00:11:21 >> And I'm Anna, reminding you to keep
00:11:21 --> 00:11:26 looking up.
00:11:26 --> 00:11:33 Oh,
00:11:33 --> 00:11:37 the stories told.