Sponsor Details:
This episode of Space Nuts is brought to you with the support of Antigravity A1. Experience the future of flight with the world’s first all-in-one 8K 360 drone. With intuitive controls and immersive goggles, the Antigravity A1 redefines what it means to fly. Check it out at AntigravityA1.

And NordVPN. Protect your online data with NordVPN. Get our special listener discounts and four months free with a 30-day money-back guarantee at www.nordvpn.com/spacenuts using the coupon code SPACENUTS at checkout.

Cosmic Queries: Time Dilation, Black Holes, and Gravastars
In this thought-provoking Q&A edition of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson tackle a range of intriguing questions from listeners around the globe. From the complexities of time dilation near supergiant stars to the mysteries surrounding black holes and the hypothetical concept of gravastars, this episode is a deep dive into the fabric of our universe.
Episode Highlights:
- Time Dilation Near Supergiants: Andrew and Fred discuss the effects of gravity on time near supergiant stars and whether significant time dilation occurs compared to black holes.
- Black Holes and Stars: A listener inquires why black holes can’t revert to stars, prompting a fascinating exploration of singularity and the structure of stars.
- Understanding Atoms and Black Holes: The hosts clarify the nature of atoms, free space, and how density calculations relate to black holes, addressing the paradox of infinite density.
- Redshift Limits and Gravastars: The episode wraps up with an examination of redshift limits in the expanding universe and a discussion about the theoretical existence of gravastars, including their implications for our understanding of cosmic phenomena.
For more Space Nuts, including our continuously updating newsfeed and to listen to all our episodes, visit our website. Follow us on social media at SpaceNutsPod on Facebook, X, YouTube Music Music, Tumblr, Instagram, and TikTok. We love engaging with our community, so be sure to drop us a message or comment on your favorite 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/about.
Stay curious, keep looking up, and join us next time for more stellar insights and cosmic wonders. Until then, clear skies and happy stargazing.

Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts-astronomy-insights-cosmic-discoveries--2631155/support.