
Planetary systems aren't just born overnight. When stars form and begin pulling debris into their orbit, some of that material eventually clumps up into fledgling planets, and the gravity of those bodies pulls down more and more material which ultimately determines how large a would-be planet could be. But life isn't easy for young planets, and astronomers know that stars and even some larger planets have a habit of decimating smaller worlds. Now, for the first time ever, NASA may have caught a ...
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