#448: Galactic Life Cycles, Black Hole Growth & Space Junk Rings

Space Nuts

Join Andrew Dunkley and Professor Fred Watson in this engaging Q&A episode of Space Nuts, where they dive into fascinating listener questions about the life and death of celestial bodies, black holes, and the mysteries of Space junk.
Episode Highlights:

• Life and Death in the Universe: Trevor from Port Macquarie asks about the life cycle of the universe. Could everything eventually collapse into a singularity, leading to another Big Bang? Discover the theories and science behind the universe's expansion and the concept of the "Big Rip."
• - Growth of Black Holes: David from Texas wonders how black holes grow in mass. Fred Watson explains the process of accretion and the role of the event horizon in this cosmic phenomenon.
• - Space Junk and Artificial Rings: Mikey from Illinois speculates if SpaceTime debris could form an artificial ring around Earth. Learn about the current state of SpaceTime junk and the potential future of Earth's orbital environment.
• - Seeing the Milky Way in the UK: Ian from Cambridge asks about the visibility of the Milky Way from the UK. Fred Watson provides insights on the best times and conditions to observe our galaxy from the northern hemisphere.
• - 00:00:00 This is a Q and A edition of space nuts
• - 00:01:44 Fred asks two questions about the accelerating expansion of the universe
• - 00:08:54 Why do black holes grow as they eat? Why do they keep growing
• - 00:13:08 Andrew Dunkley was wondering about space junk in the future
• - 00:18:39 Fred: Can you see the Milky Way from the UK on a clear night
• - 00:22:10 Do you think early spring affects viewing of the skies in any way
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• Stay curious, keep looking up, and join us next time for more stellar insights and cosmic wonders. Until then, clear skies and happy stargazing.