StarTalk Radio Things You Thought You Knew – Where the Earth Ends
Dec 28, 2021
Join Neil deGrasse Tyson and Chuck Nice as they delve into the intriguing concept of the Karman Line, the boundary between Earth and space. Learn how measurement tools shape our scientific understanding and explore how the spectrum of light impacts energy efficiency in modern lighting. The duo also breaks down the captivating physics behind airplane dynamics and banking turns, juxtaposing real science with Hollywood's portrayal of space. This insightful mix of astrophysics and humor will change the way you think about the universe!
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Knowing the Unknowns
- Knowing what you don't know is crucial for learning and growth.
- Not knowing what you don't know is "sad ignorance", according to Neil deGrasse Tyson.
Measuring Gases
- Measuring gaseous objects like Earth's atmosphere is difficult because there's no clear boundary.
- The Karman line, representing the transition to space, is a functional definition, not a physical one.
Shepard's Flight
- Alan Shepard's suborbital flight in 1961 crossed the Karman line, qualifying him as an astronaut.
- This highlights how the Karman line serves as a functional threshold for space travel.