Alien solar system of seven Earth-sized planets orbiting nearby dwarf star could be rich with water and life

From ABC Science, 23 February 2017:

Seven Earth-sized planets, many of which could harbour life, have been discovered orbiting a dwarf star in our own galactic neighbourhood.

The complex alien solar system hosts the largest number yet of detected worlds capable of having liquid water on their surface, a team of astronomers reported on Thursday in the journal Nature.

The planets have been found around TRAPPIST-1, a Jupiter-sized ultra-cool star located 40 light-years away in the constellation of Aquarius.

“It’s the first time that we have so many Earth-sized planets around a star,” said lead author Dr Michaël Gillon, of the Space Sciences, Technologies and Astrophysics Research Institute in Belgium. Read more.

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