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Space Nuts: Time Travel, Orbiting Telescopes, and Gold Origins
In this Q&A episode of Space Nuts , hosts Andrew Dunkley and Professor Fred Watson tackle a range of thought-provoking listener questions. They begin with a fascinating inquiry from Andy, a train driver in the UK, about the implications of time travel at relativistic speeds. What does it mean to age differently when travelling close to the speed of light? The duo then dives into the mechanics of orbiting telescopes, addressing Nick's questions about how these instruments manage their observations while minimising interruptions from Earth. Finally, Ash from Brisbane poses an intriguing question about the origins of gold, prompting a discussion on neutron star collisions and the cosmic processes that create heavy elements.
Key topics
- Time travel and the effects of relativistic speeds on aging: Can we really travel through time?
- The scheduling and operational strategies of orbiting telescopes like Hubble: How do they maximise observation time?
- The origins of gold in the universe: What role do neutron star collisions play in the creation of heavy elements?
Timestamps
00:00 - Introduction and overview of listener questions
01:20 - Andy’s question on time travel and relativistic speeds
15:30 - Nick’s inquiry about orbiting telescopes and their observation strategies
25:00 - Ash’s question regarding the origins of gold and neutron star collisions
35:15 - Final thoughts and listener engagement
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Episode link: https://play.headliner.app/episode/35687961?utm_source=youtube