Keppler 22-b has been discovered in the temperate 'habitable zone' outside of our solar system.

NASA has found a new planet outside our solar system that’s eerily similar to Earth in key aspects.

Scientists say the temperature on the surface of the planet is about a comfy 72 degrees. Its star could almost be a twin of our sun. It likely has water and land.

It was found in the middle of the habitable zone, making it the best potential target for life yet. USA Today

Image via NASA

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