Meet The Smallest Exo-Planet We Know

NASA announced the discovery of the smallest he smallest extrasolar planet ever discovered around a main sequence star, with a mass and radius slightly greater than that of Earth’s Moon. Kepler-37b, along with two other planets, Kepler-37c and Kepler-37d, were discovered by the Kepler space telescope, which observes stellar transits.The planet, about 210 light-years away from Earth, is slightly larger than the Earth’s moon, with a diameter of about 3,900 kilometres (2,400 mi). NASA states that it is most probable that the planet does not have an atmosphere and cannot support life. Furthermore, the planet is most likely composed of rocky materials.

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