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Everything You Need To Know About Exoplanets

Everything You Need To Know About Exoplanets

Exoplanets are some of the most exciting things to study as a scientist, because they pose so many mind-blowing questions: are we close to discovering a second Earth? Do aliens exist? How the heck can it RAIN GLASS on another world?

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Key Facts In This Video

  1. The way we discovered the first planets outside our solar system was with the Doppler Technique. 00:25

  2. Actually trying to see a planet would be like standing on Hawaii and looking at flame flickering near a lighthouse in California. 02:26

  3. Every 30 minutes, Kepler takes a measurement of the brightnesses of 160,000 stars. 03:41

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Key Facts In This Video

  1. On HD 189773b, winds propel particles of silicate around the planet at up to 7,000 km/hr (4,350 mph). 01:02

  2. The planet HAT-P-7b orbits its star in the opposite direction of most planets. 02:16

  3. TrES-2b reflects only 1% of the light that hits it. 04:08

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Key Facts In This Video

  1. The first confirmed exoplanets were found orbiting a pulsar in 1992. 02:03

  2. Hot Jupiters are gas giants that orbit very close to their star. 04:30

  3. 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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