How Do We Know There’s a Planet 9?

Name: How Do We Know There’s a Planet 9?
Uploaded: 2016-04-22T05:10:49+00:00
Duration: 5 min 40 s
Channel: universetoday
Description: Are you having trouble keeping track of all the planets in the Solar System? Good news! Astronomers have found evidence that there’s another huge planet far out in the Solar System. Textbooks will need to be rewritten again. You’re welcome.

universetoday

Are you having trouble keeping track of all the planets in the Solar System? Good news! Astronomers have found evidence that there’s another huge planet far out in the Solar System. Textbooks will need to be rewritten again. You’re welcome.

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