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Episode 226: Starshades

Play Jul 2•4:27

Astronomers are inventing new ways to find planets around other stars. Most of the methods used thus far don't involve actually seeing the planet; its presence is inferred from observations of the parent star. A large, Jupiter sized planet can be detected b y the "wobble" its gravity causes in the parent star's motion. Other planets pass in front of their host stars, making them detectable by t...

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