What a Planet Needs to Become Earth-Like
Search for Alien Worlds
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3m 4s
Find out where to look for Extraterrestrial Life. What planets are likely to have the right conditions? And what makes Earth special? So far, in this age of planet hunting, we've yet to find anything like our solar system... with rocky inner planets in neat circular orbits, and evenly spaced gas giants on the periphery.
Up Next in Search for Alien Worlds
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Zombie Planet Returns
An enormous alien planet that some astronomers thought was dead and buried has come back to life, a new study suggests. A new analysis of observations from NASA's Hubble Space Telescope found that the bright nearby star Fomalhaut does indeed host a huge exoplanet, which scientists dubbed a "zombi...
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Portrait of a Solar System 20 Light Y...
The rich planet discoveries around the red dwarf star, Gliese 581, within the neighborhood of the sun.
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Planet Factories
Astronomers now know that planets around other stars are plentiful. But they do not fully understand how they form and there are many aspects of the formation of comets, planets and other rocky bodies that remain a mystery. However, new observations exploiting the power of the ALMA telescope arra...
