The closest exoplanet is Earth-sized


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Having detected an exoplanet circling Alpha Centauri B in 2012, astronomers have now narrowed its mass to one to three times that of Earth, making this closest exoplanet an Earth-sized planet.

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3 comments

  • mivenho

    ‘Lost in Space’ was right!

  • I was thinking more ‘Babylon 5’ than ‘Lost in Space’, but regardless; let’s go.

  • Matt in AZ

    This is the planet that’s only .04 AU from its star. So, while earth-sized, it’s definitely not a place you’d want to visit. Hell, Venus might be more hospitable! It’ll be interesting to see if anything further out is discovered.

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