THE U.S. SUN - Scientists have created a 3D illustration charting a list of nearby stars that may be hosting "habitable" alien worlds.
They used data from Nasa's Chandra X-ray Observatory to identify these planets.
It involved finding stars that are close enough to Earth that we could use future telescopes to take images of planets in their "habitable" zones.
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"We don’t know how many planets similar to Earth will be discovered in images with the next generation of telescopes," said co-author Edward Schwieterman of the University of California at Riverside. "But we do know that observing time on them will be precious and extremely difficult to obtain.