Cosmic Queries: Weighty Matters, Stellar Ages & Moonless Earth Scenarios

Cosmic Queries: Weighty Matters, Stellar Ages & Moonless Earth Scenarios

June 21, 2026 · 31 min · Episode 636

About this episode

Hosts Andrew Dunkley and Professor Fred Watson answer listener questions about weight variations, the age of the solar system, interstellar travel, and the implications of a moonless Earth.

Q&A Edition: Cosmic Curiosities and What-If Scenarios In this engaging episode of Space Nuts , hosts Andrew Dunkley and Professor Fred Watson tackle a range of intriguing questions from our listeners. From the nuances of weight variations on Earth to the implications of a moonless planet, join us for a deep dive into cosmic curiosities and scientific speculation. Episode Highlights: - Weight Variations: DJ from Indianapolis wonders about the difference in weight between the North Pole and the equator, leading to a discussion on gravity, centrifugal force, and the shape of the Earth [00:00–15:00]. - The Age of the Solar System: Nick from Cambridge asks about the age of the solar system and the older material that contributed to its formation, prompting an exploration of supernovae and isotope ratios [15:01–30:00]. - Interstellar Travel: Keith from Vancouver ponders the feasibility of reaching another star, sparking a conversation about current technology, time dilation, and the future of space exploration [30:01–45:00]. - What If the Moon Disappeared? Mark shares a nostalgic reference to Space 1999, leading to a thought-provoking discussion on the potential effects of a…

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Hosts: Andrew Dunkley, Professor Fred Watson

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Places: Indianapolis, Cambridge, Vancouver

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