Orbiting a normal star, Astronomers have discovered the what could be the smallest known planet. The planet is estimated to be about 5.5 times as massive as Earth and thought to be rocky. It orbits a red dwarf star about 28,000 light-years away. Red dwarfs are about one-fifth as massive as the Sun and up to 50 times fainter. But they are among the most common stars in the universe (
Smallest Planet Outside Our Solar System Found
Smallest Planet Outside Our Solar System…
Smallest Planet Outside Our Solar System Found
Orbiting a normal star, Astronomers have discovered the what could be the smallest known planet. The planet is estimated to be about 5.5 times as massive as Earth and thought to be rocky. It orbits a red dwarf star about 28,000 light-years away. Red dwarfs are about one-fifth as massive as the Sun and up to 50 times fainter. But they are among the most common stars in the universe (