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Sponsor Links:
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.
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Q&A Edition: Black Holes, Cosmic Expansion, and the Fate of the Sun
In this engaging Q&A episode of Space Nuts, hosts Andrew Dunkley and Professor Fred Watson tackle a series of thought-provoking questions from listeners. From the implications of a black hole's mass to the mysteries of cosmic expansion, this episode is packed with fascinating insights and cosmic curiosities.
Episode Highlights:
- Black Hole Mass and Star Density: Justin from Melbourne wonders about the radius in light years of a sphere containing the nearest 4 million stars, comparing it to the mass of Sagittarius A, the supermassive black hole at the center of our galaxy. Andrew and Fred discuss star density and the methods to calculate it.
- The Universe's Future: Charles from Brooklyn asks whether the universe's potential retraction would shorten its lifespan from trillions of years to just a few billion. The hosts delve into the complexities of dark energy and the various theories surrounding the fate of the universe.
- What If the Sun Disappeared? Dean from Queensland poses a thought experiment about the consequences of the sun's sudden disappearance. Andrew and Fred explain how gravity and light travel at the same speed, leading to an eight-minute delay before Earth feels the effects of the sun's absence.
- Voyager Plaque Mysteries: Patrick brings an intriguing question about the Voyager spacecraft and the accuracy of the plaques they carry. The hosts clarify the misconception and explore the significance of the messages sent into space.
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Stay curious, keep looking up, and join us next time for more stellar insights and cosmic wonders. Until then, clear skies and happy stargazing.
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