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The Evidence for Planet Nine’s Existence

Program: NOVA | Type: Clip | Aired: 2019-06-10

The Evidence for Planet Nine’s Existence

Two astronomers argue that the farthest objects in the Kuiper Belt are being pushed and pulled by the gravity of Planet Nine, a giant planet orbiting over 10 times farther from the Sun than Neptune. If they find it, it’ll be the first real expansion of the Sun’s planetary album in 170 years.

PBS’ premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA programs demystify science and technology and highlight the people involved in scientific pursuits.

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The Evidence for Planet Nine’s Existence