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It's Okay to Be Smart
Exoplanets: Are There Other Earths?
Season 2
Episode 9
We live in one of a hundred billion of galaxies, each with hundreds of billions of stars. And now, thanks to modern astronomy, we know that the Milky Way is home to perhaps a hundred billion planets! In the past two decades, these exoplanet discoveries have spawned new questions about our universe, and if there might be another Earth, or other life, somewhere out there.
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11:43
Despite what you may have heard or learned in school, the sun is NOT the center of the solar system.

10:23
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10:00
Why do the same, self-repeating patterns appear in trees, rivers, lightning, and even our bodies?

15:25
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12:54
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21:33
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10:40
The cosmic distance ladder is the world’s longest ruler, built to measure the universe.

15:17
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12:09
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14:28
These tiny pieces of an ancient asteroid could hold the secret to the origin of life.

10:28
What do scientists think are the best ways of reaching out to aliens?

9:40
How bad is climate change in 2023? Can we do anything about it?