Another 18 Earth-sized Planets Discovered — One is EPIC!

A total of 18 Earth-sized planets have recently been found orbiting alien stars, hiding in data collected by the now-defunct Kepler spacecraft. One of these is the smallest exoplanet yet discovered, and another might have conditions favorable to life.

A large fraction of exoplanets are discovered by observing a drop in the brightness of a star as a planet orbits, passing between its stellar companion and the Earth. This transit method of detecting planets works best with larger planets, which block out more starlight than smaller…

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The Cosmic Companion

The Cosmic Companion

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Writing about space since I was 10, still not Carl Sagan. Weekly video show, podcast, comics, more: www.thecosmiccompanion.net