Gas Giants Bounce Around — and Collide — in Alien Solar Systems

Gas giants around other stars often travel along highly-elliptical orbits, contrary to common thought, and massive collisions and interactions between gas giants may be to blame, a new study finds. The Cosmic Companion talks to lead researcher Renata Frelikh of UC Santa Cruz.

More than 4,000 worlds are now known to orbit stars other than our sun, and a fraction of these are giant worlds, like Jupiter and Saturn, orbiting close to their parent star. Basic laws of physics (as well as common intuition) would indicate that…




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The Cosmic Companion

The Cosmic Companion

Writing about space since I was 10, still not Carl Sagan. Weekly video show, podcast, comics, more:

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