Early solar system may have had a fifth giant planet - SpaceFlight Insider


6/4/2022 12:00:00 AM2 years 10 months ago
by Laurel Kornfeld

Billions of years ago, when the Sun was still a proto-star that had not yet ignited, the young solar system may have contained a fifth giant planet.

An artist’s rendering of the early solar system, featuring the proto-Sun, newly forming planets, and circumstellar disk. Credit: NASA/JPL-Caltech/T. Pyle (SSC) Billions of years ago, when the Sun wa… [+3203 chars]

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