Three ‘Missing-Link’ Planets Discovered Circling Nearby Star

Planets are like puppies—they come in all kinds of sizes, all kinds of colors and they’re often found in litters.

That’s not the way things used to seem. It wasn’t until 1992 that the first known planet orbiting a star other than our sun was confirmed. In the years since, the exoplanet population has exploded, thanks mostly to the Kepler Space Telescope, which went…

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