Earth-like Planets May Be Common

Posted by Michael Pinto on Jun 19, 2008 in Science |

Three planets, having 4.2, 6.7, and 9.4 times the mass of the Earth, orbit the star HD 40307 with periods of 4.3, 9.6, and 20.4 days, respectively. If they were in our solar system, they would all lie closer to the Sun than Mercury (Illustration: ESO)

It’s amazing to think in just a few short years we’ve discovered over 300 planets outside of this solar system, it’s only a matter of time until we come across Earth-like which are known as “Class M Planets” to us Star Trek fanboys:

Trio of super-Earths found around Milky Way star

“European researchers said on Monday they discovered a batch of three “super-Earths” orbiting a nearby star, and two other solar systems with small planets as well. They said their findings, presented at a conference in France, suggest that Earth-like planets may be very common.”

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