The Fate Of Giant Planets Depends Where They Grew Up

Astronomers generally agree that planets form out of the dusty debris disks that surround most newborn stars. When one of these so-called protoplanetary disks rotates around a nascent star, globs of material clump together. Over the course of a few million years, these clumps (called planetesimals) grow larger and larger, forming a protoplanet that eventually clears out its orbital path within the disk. And when a protoplanet gets massive enough, gravity forces it into a spherical shape, fin

The Fate Of Giant Planets Depends Where They Grew Up

Astronomers generally agree that planets form out of the dusty debris disks that surround most newborn stars. When one of these so-called protoplanetary disks rotates around a nascent star, ...

Wed 11 Jul 18 from Discover Magazine

The fate of giant planets depends on where they grow up

The more crowded and chaotic their initial environment, the more likely they are to move out.

Wed 11 Jul 18 from Astronomy.com

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