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WHAT ARE THOSE?!
Planets. Planets, Everywhere.
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Key Facts In This Video
The first confirmed exoplanets were found orbiting a pulsar in 1992. 02:03
Hot Jupiters are gas giants that orbit very close to their star. 04:30
During a transit, a planet passes in front of its star, letting Earth astronomers detect a dip in the star's brightness. The amount of light blocked tells you the planet's size. 05:52
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