WHA_764TH
This chart compares the first Earth-size planets found around a sun-like star to planets in our own solar system, Earth and Venus. NASA's Kepler mission discovered the newfound planets, called Kepler-20e and Kepler-20f.
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- WHA_764TH.jpg
- Copyright
- World History Archive
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- 5214x3352 / 1.5MB
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- Recently uploaded historical photos 3