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Roughly one out of every 37 to one out of every 70 sunlike stars in the sky might harbor an alien Earth, a new study reveals. These findings hint that billions of Earthlike planets might exist in our galaxy, researchers added. These new calculations are based in data from the Kepler space telescope, which in February wowed the globe by revealing more than 1,200 possible alien worlds, including 68 potentially Earth-size planets. The spacecraft does so by looking for the dimming that occurs when a world transits or moves in front of a star.
When it comes to the 100 nearest sunlike stars within a few dozen light years, these findings suggest that only about two might have Earthlike worlds. Still, Catanzarite did note that red dwarfs might host Earthlike planets as well, and that such stars are far more common than sunlike stars. Although researchers will find it much harder to detect an Earth-size planet transiting in front of dim red dwarfs, scientists are currently trying to detect such planets around these stars by the gravitational tugs they would exert on each other.
Originally posted by gatewaywithin
With numbers like these, I don't see how anyone can deny the existence of other intelligent lifeforms.