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NASA/JPL-Caltech/Space Science Institute

Planets

Saturn Could Be Defending Earth From Massive Asteroid Impacts

Jupiter is often cited as Earth's protector — but Saturn may actually be hero of the day.

February 8, 2017
7:00 AM EST
Jupiter has traditionally been thought of as a shepherd for wayward asteroids careening towards the inner solar system, but a new paper argues the view is simplistic. The Juno spacecraft (pictured above in an artist's impression) is visiting the planet right now. | Credit: NASA