The Washington Post

New planet similar to Earth discovered: How far is 600 light years away?


Kepler-22b, a planet known to comfortably circle in the habitable zone of a sun-like star. (AP)

Since one light year is the equivalent nearly six trillion miles, it would take 22 million years to travel 600 light years on a space shuttle and visit Kepler 22-b with our current technology.

The following diagram from NASA compares our own solar system to the star system Kepler 22-b:


(NASA/Reuters)

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