Goldilocks Zone

David A. Aguilar / Harvard-Smithsonian Center for Astrophysics)
January 6, 2015
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David A. Aguilar / Harvard-Smithsonian Center for Astrophysics)

This artist’s conception depicts an Earth-like planet orbiting an evolved star that has formed a stunning "planetary nebula." Earlier in its life, this planet may have been like one of the eight newly discovered worlds orbiting in the habitable zones of their stars. (Image credit: David A. Aguilar / Harvard-Smithsonian Center for Astrophysics)