Planet-Forming Disks May Resemble Solar System 5 Billion Years Ago

To make a planet, you need stuff. Protoplanetary disks — cosmic frisbees of gas and dust orbiting young stars across the galaxy — spin out new planets. But the size of those planets depends on just how much material these disks have to give. A team of scientists led by the University of Arizona has imaged […]

Original Article: Planet-Forming Disks May Resemble Solar System 5 Billion Years Ago

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