Seven Alien Planets Discovered: Three Potentially Harbor Oceans Of Water And Life

Astronomers discovered seven earth-size planets revolving around a star called TRAPPIST-1 40 light years away. Three of the planets could potentially harbor oceans of water and alien life.  

Dr Chris Copperwheat, from Liverpool's John Moores University co-led an international team on the remarkable discovery: "The discovery of multiple rocky planets with surface temperatures which allow for liquid water make this amazing system an exciting future target in the search for life."

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