Potentially habitable Earth-like worlds in our backyard

Astronomers have spotted two potentially habitable worlds orbiting a red dwarf star in our cosmic backyard. The extrasolar planets or “exoplanets” are only 16 light-years away and have similar masses to our planet.

They are in their star GJ 1002’s “habitable zone,” defined as the envelope around a star that is neither too hot nor too cold to contain liquid water, a vital ingredient.

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