K2-18b, Gravitons & The Comet Conundrum: A Cosmic Q&A

Sponsor Details:Insta360 X5 Camera. To bag a free invisible selfie stick worth US$24.99 with your purchase, head to store.insta360.com and use the promo code "spacenuts", available for the first 30 standard package purchases only.NordVPN: To get the special SpaceNuts discount deal with 4 extra free months, plus a 30 money back guarantee simply visit www.nordvpn.com/spacenuts In this engaging Q&A episode of Space Nuts, host Andrew Dunkley is back alongside the ever-insightful Professor Fred Watson. Together, they tackle a range of intriguing questions from listeners, covering the potential discovery of life on exoplanet K2 18b, the mysteries of gravity and gravitons, and the latest on the Swan Comet.Episode Highlights:- The Buzz Around K2 18b: Andrew and Fred Watson discuss the recent excitement surrounding the detection of dimethyl sulphide on K2 18b, a potential biosignature. They delve into the implications of this discovery and the ongoing debate about the planet's habitability, while also addressing the sensationalist headlines that often accompany such findings.- Gravity and Gravitons: A question from listener James prompts a fascinating discussion on the nature of gravity and the role of the Higgs particle versus the hypothetical graviton. Fred Watson explains the differences between these concepts and the complexities of how gravity operates at a fundamental level.- Observing the Swan Comet: Ted from an undisclosed location shares his experiences of observing the Swan Comet, prompting a conversation about its current visibility and characteristics. Andrew and Fred Watson discuss the comet's colour, tail, and what makes it an interesting object for amateur astronomers.- The Challenge of Fake News in Science: The episode wraps up with a thoughtful examination of how sensationalism in the media can distort scientific discoveries. Andrew and Fred Watson reflect on the responsibility of scientists and journalists alike to convey information accurately and responsibly.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 Music, Tumblr, Instagram, and TikTok. We love engaging with our community, so be sure to drop us a message or comment on your favourite platform.If you’d like to help support Space Nuts and join our growing family of insiders for commercial-free episodes and more, visit spacenutspodcast.com/aboutStay 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) Welcome to Space Nuts with Andrew Dunkley and Fred Watson Watson(01:20) Discussion on the potential discovery of life on K2 18b(15:00) Exploring gravity and the role of gravitons(25:30) Observing the Swan Comet(35:00) The impact of sensationalism in scientific reportingFor commercial-free versions of Space Nuts, join us on Patreon, Supercast, Apple Podcasts, or become a supporter here: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.