Space Nuts

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 discre