Sponsor Details:
This episode of Space Nuts is brought to you with the support of NordVPN. To get our special Space Nuts listener discounts and four months free bonus, all with a 30-day money-back guarantee, simply visit www.nordvpn.com/spacenuts or use the coupon code SPACENUTS at checkout.

Cosmic Curiosities: Time Dilation, Supernova Remnants, and Aurora Colors
In this engaging Q&A edition of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson tackle a series of thought-provoking questions from their curious audience. From the enigmatic nature of time in anti-gravity fields to the vibrant colors of auroras, this episode dives deep into the mysteries of the cosmos.
Episode Highlights:
- Time in Anti-Gravity Fields: Andrew and Fred explore the implications of time dilation in gravitational and anti-gravity environments, discussing how time appears to flow differently depending on the observer's frame of reference.
- Supernova Remnants: The hosts address whether we can still see the star remnants that contributed to the formation of heavy elements in our solar system, revealing the complexities of cosmic recycling.
- The Colors of Aurora: Listener Nate's question about the stunning colors of auroras leads to a fascinating discussion on the atmospheric processes that create different hues, from greens to reds and beyond.
- Relativistic Mass and Spacecraft Acceleration: Lee from Sweden poses an intriguing idea about using relativistic mass ejection to enhance spacecraft propulsion, prompting a conversation about the theoretical limits of current technology and the physics involved.
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.