Kepler-20
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Kepler-20f — An Earth-size World (Artist’s Concept)
1 min read
Kepler-20f is the closest object to the Earth in terms of size ever discovered. With an orbital period of 20…
Dec 20, 2011
Article
Kepler-20e — The Smallest Exoplanet (Artist’s Concept)
2 min read
Kepler-20e is the first planet smaller than the Earth discovered to orbit a star other than the sun. A year…
Dec 20, 2011
Article
An Unusual Planetary System (Artist’s Concept)
2 min read
This artist's concept flies through the Kepler-20 star system, where NASA's Kepler mission discovered the first Earth-size planets around a…
Dec 20, 2011
Article
Earth-class Planets Line Up
2 min read
This chart compares the first Earth-size planets found around a sun-like star to planets in our own solar system, Earth…
Dec 20, 2011
Article
