NASA scientists have identified a new planet they believe to have several similarities to Earth.
Kepler-22b, named for the Kepler planet-hunting telescope it was spotted with, is the first planet to be confirmed beyond our solar system in what the Guardian called the "Goldilocks zone:" not too hot, not too cold, and therefore possibly habitable.
The planet is 2.4 times the size of Earth. It orbits a star similar to the Earth's sun and is believed to have a surface temperature of around 22 degrees Celsius, according to NASA.
Astronomers say Kepler-22b's temperate climate makes it possible that it possesses liquid waterBrian Cox (report on initial findings)
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