This episode is brought to you by Saily. Get an exclusive 15% discount on Saily eSIM data plans! Download Saily app and use code 'spacenuts' at checkout. For more details on what Saily can do for you, visit www.saily.com/spacenuts Space Nuts Q&A Edition - Episode 468 Join Andrew Dunkley and Professor Fred Watson in this lively Q&A episode of Space Nuts, where they dive into a variety of intriguing questions from our audience. From the mysteries of lunar lava tubes to the wonders of black holes and gravitational waves, this episode is packed with fascinating insights and cosmic discussions. Episode Highlights: - Lunar Lava Tubes: Discuss the potential hazards that lunar lava tubes might pose for future moon missions. Explore the implications for astronauts traversing the moon's surface and how NASA might mitigate these risks. - Black Hole Conundrums: Tackle a thought-provoking question about the behaviour of light within a black hole. Discover the complexities of singularities and the fascinating concept of frame dragging in rotating black holes. - Gravitational Waves and Cosmic Expansion: Delve into the nature of gravitational waves and their impact on our understanding of the universe. Learn whether these waves could influence cosmic phenomena like gravitational lensing and the expansion of the universe. - Instatravel Pod Adventure: Imagine a journey to any location in the universe with a hypothetical instatravel pod. Join Andrew and Fred Watson as they share where they would go and why, from viewing the Milky Way from afar to discovering intelligent life on another planet. For more Space Nuts, including our continually updating newsfeed and to listen to all our episodes, visit our website. Follow us on social media at SpaceNutsPod on facebook, X, YouTube, Tumblr, Instagram, and TikTok. We love engaging with our community, so be sure to drop us a message or comment on your favourite platform. For more Space and Astronomy News Podcasts, visit our HQ at www.bitesz.com. Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts/support. Stay curious, keep looking up, and join us next time for more stellar insights and cosmic wonders. Until then, clear skies and happy stargazing. 00:00 - Andrew Dunkley answers audience questions on this edition of Space Nuts 03:54 - Mikey from Illinois ponders about possible lava tubes on the moon 10:02 - Jake from Australia has a question about Black holes 14:48 - Would gravitational waves help explain the expansion of the universe 17:49 - Do gravitational waves travel as a sphere or do they affect space time 22:15 - Fred asks two questions about a unique opportunity to travel in a space pod 25:17 - Andrew was asked where he would like to go in the universe 31:37 - Andrew Dunkley: Thank you for listening to the Space Nuts podcast