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Trappist-1 and its earth like planets

Trappist-1 and its earth like planets. All images courtesy of NASA

This artist's concept appeared on the cover of the journal Nature on Feb. 23 2017 (Image: NASA)

The seven planets orbiting TRAPPIST-1 (Image: NASA)

This illustration shows the possible surface of one of the newly discovered planets in the TRAPPIST-1 system. (Image: NASA)

The images in this gallery are used with permission and are subject to copyright conditions.