How To Discover An Alien Planet | Video

Astrophysicist Paul Sutter explains the transit method, one of the two most common techniques for finding exoplanets: If a distant world orbits ‘edge-on’ to our line-of-sight, it dims the light from its parent star just a bit – but enough to be detected!

Super-Earth Exoplanet's Atmosphere Characterized for 1st Time (Video )

credit : Paul M. Sutter
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