Astronomers have found more than 1000 planets beyond our solar system, and thousands more await confirmation by follow-up observations. Many of these alien worlds are too hot or too cold to support life as we know it, but researchers have found a few that appear to be much more hospitable. So, Here’s a brief rundown of the best candidates.
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Gliese 581g has at least four, and possibly five, planetary neighbors. The team that spotted Gliese 581g also detected another planet, known as 581f, circling much farther away from the star. But scientists are still arguing about that world’s existence, too. More information about the planet: https://goo.gl/poy6hU
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