In 2016, astronomers found a potentially habitable planet around the closest star to our sun. Now, researchers have traced a second signal they believe belongs to a super-Earth orbiting the same star.
In 2016, astronomers found a potentially habitable planet called Proxima b around the star Proxima Centauri, which is only 4.2 light-years from Earth. Now, researchers have traced a second signal they believe belongs to a super-Earth orbiting the same star, increasing the intrigue of this neighboring planetary system and its potential.
Photos: Weird and wonderful planets beyond our solar systemThis is an artist's rendering of the Proxima Centauri planetary system. The newly discovered super-Earth exoplanet Proxima c, on the right, has an orbit of about 5.2 Earth years around its host star. The system also comprises the smaller Proxima b, on the left, discovered in 2016. Illustration by Lorenzo Santinelli.
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