Word: exoplanetã
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Dates: during 2009-2009
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Scientists at Harvard’s Center for Astrophysics are celebrating the discovery of the smallest known exoplanet??€”a planet orbiting a star other than the Sun—announced Tuesday by European astronomers. The new planet, Gliese 581 e, is 1.9 times the size of Earth and 80 times smaller than the first exoplanet, which was discovered in 1995. The solar system where the planet was found is 20.5 light years away and can be found in the constellation Libra. Members of the CFA, which has played a major role in the search for exoplanets, heralded...
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