A mesmerising new animation reveals four alien worlds orbiting a star 129 light years away. The planets, each more massive than Jupiter, are circling a bright young star that lies in the constellation Pegasus. It comes as the result of seven years of observations at the W.M. Keck observatory in Hawaii, providing a captivating glimpse at four planets whose orbital periods are in nearly precise ratio with each other.
The incredible animation that shows four alien worlds orbiting a star 129 light years away
![](http://web.archive.org./web/20170207014056im_/http://video.dailymail.co.uk/preview/mol/2017/02/06/2176350321088350752/636x382_JPG-SINGLE_2176350321088350752.jpg)