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Astronomers spot 2 intriguing alien worlds around ultracool star



An international team of astronomers has discovered two new super-Earths orbiting a distant ultracool dwarf star located 100 light-years away from Earth. 

The newly spotted exoplanets orbit the second coolest star ever found with planets around it. The inner planet of the system, designated LP 890-9b, is around 30% larger than Earth and rapidly orbits the dwarf star in just 2.7 Earth days. The second planet, called LP 890-9c, is slightly larger, at around 40% the size of Earth, and completes its orbit in around 8.5 Earth days. Astronomers believe this second planet is in the habitable zone of its star, where it is neither too hot nor too cold to support the existence of liquid water at its surface.





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