5 years ago
Alien moon likely seen forming in first-of-its-kind picture
In a possible first, a giant, faraway planet may have been caught in the act of growing moons. Seen in an image from the ALMA Observatory in Chile, the young planet orbits a small star roughly 370 light-years away, and it appears to be swaddled in a dusty, gassy disk—the exact type of structure scientists think produced Jupiter’s many moons billions of years ago. (Tour the moons of our solar system with our interactive atlas.)
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