The second, Kepler-35b, orbits a set of twin stars about 5, 400 light years away.

WSJ: Galaxy Hosts 100 Billion Planets, in New Estimate

The second, Kepler-35b, orbits a set of twin stars about 5, 400 light-years away.

WSJ: Galaxy Hosts 100 Billion Planets, in New Estimate

The second was named after the German astronomer Johannes Kepler and launched in 2011.

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