Podcasts · Science for Kids / Science's Not Boring: The Kids Science Podcast
What is gravity?
· 12 min · S1 E425
Episode What is gravity?
Have you ever wondered why an apple falls from a tree, but the Moon never crashes into Earth? Or why astronauts seem to float in space? (Hint: They aren't actually floating at all!) Join Mira and Finn on a mind-bending adventure to uncover the universe's greatest invisible force: gravity!
Travel back in time to 1666 to sit under the exact tree where Isaac Newton figured out how Earth's invisible rope pulls things down. Then, discover the wildest secret of the International Space Station! Astronauts are actually falling towards Earth at an incredible 17,500 miles per hour, but they are moving so fast sideways that they keep missing the ground entirely!
But wait, it gets even crazier! Learn how Albert Einstein proved that massive objects like the Sun can bend space and time like a giant heavy bowling ball on a trampoline, even curving beams of starlight! Find out why your feet are slightly younger than your head, how satellites use Einstein's math to keep your phone's GPS from driving you into a lake, and why the giant planet Jupiter acts like a cosmic pinball machine!
Transcript
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