Stefan Mileschin

While scientists have found plenty of exoplanets over the years, they've yet to spot to moons orbiting those worlds outside our solar system. Now, a group of astronomers has discovered (PDF) what's believed to be a region with exomoons-in-the-making for the first time. Myriam Benisty and team from the University of Grenoble found the disk of dust — the moon-forming region — around a young exoplanet in a star system dubbed PDS 70 located 370 light years from Earth.

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