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StarTalk Radio

Things You Thought You Knew – The Geometric Universe

Apr 9, 2024
53:56
Snipd AI
Astrophysicist Neil deGrasse Tyson and comedian Chuck Nice discuss spheres in the universe, navigating the sky, and spacecraft reentry. Topics include round shapes in the natural world, celestial navigation, and the challenges of de-orbiting a massive space station.
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Podcast summary created with Snipd AI

Quick takeaways

  • Aerobraking allows spacecraft to gently land by dissipating energy in Earth's atmosphere.
  • Controlled deorbiting of spacecraft ensures safe reentry into Earth's atmosphere.

Deep dives

Aerobraking in Space Reentry

When returning from space, spacecrafts dissipate energy using the Earth's atmosphere as brakes, allowing for gentle landings without the need for additional fuel. Working as a natural mechanism, aerobraking slows down the spacecraft incrementally by letting air molecules hit it, ensuring a controlled descent for a safe return.

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