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#420: Moon Water & Nemesis: Unveiling Lunar Mysteries and Stellar Theories

#420: Moon Water & Nemesis: Unveiling Lunar Mysteries and Stellar Theories

Space Nuts: Astronomy Insights & Cosmic Discoveries vor 2 Jahren

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29:14

Join Andrew Dunkley and Professor Fred Watson for another riveting
Q&A edition of Space Nuts. This episode dives into some
fascinating listener questions that challenge our understanding of
space and science.First up, Mikey from Illinois poses a
thought-provoking question: Can we drink water from the moon or
Mars? Andrew and Fred explore the potential risks and benefits of
consuming extraterrestrial water, including the presence of unknown
substances and the impact of heavy water isotopes.Next, Sean from
Nottingham inquires about the Nemesis theory, asking whether there
could be a small sun or neutron star in our solar system, possibly
linked to the elusive Planet Nine. Fred delves into the history and
current standing of this hypothesis, examining its implications for
mass extinctions and the structure of our solar system.Finally,
Rusty from Donnybrook raises a question about the Hubble constant
and whether the interstellar medium might be affecting the
measurements of standard candles, leading to discrepancies in the
universe's expansion rate. Fred explains the intricacies of this
cosmic conundrum and why astronomers have considered and largely
ruled out this possibility.

From the safety of lunar water to the mysteries of distant stars
and the expanding universe, this episode of Space Nuts promises to
ignite your curiosity and expand your cosmic knowledge. Tune in and
join the conversation!

00:00:00 Andrew Dunkley answers audience questions on Space Nuts Q
and a edition

00:01:29 When we get to moon and Mars, should we drink contaminated
water

00:09:32 Fred asks whether small sun in solar system could be
planet nine

00:16:32 Recent scientific analysis no longer supports the nemesis
hypothesis, NASA says

00:19:13 Is it possible that the interstellar medium is causing
standard candles to lose intensity

00:26:51 Fred Watson: Andrew, thanks for hosting the Space Nuts
podcast

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