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Planet X Explained

10:57

What Happened to Planet X?

StarTalk

877K views

1:51

Planet X: The new planet in our solar system?

The Verge

404K views

22:48

Will We Ever Find Planet X?

Astro Pro

381K views

21:27

Why Can't Scientists Find the Enormous Planet X?

Thoughty2

3.3M views

3:21:17

Unknown Planet X is hiding in the Solar System (and it's 10 times bigger than Earth)

BRIGHT SIDE Universe

765K views

2:05

Science Bulletins: The Hunt for Planet X #datavisualization

American Museum of Natural History

88K views

30:17

Scientists Have Discovered the Location of Planet X

BRIGHT SIDE Series

136K views

35:55

Aliens in Nibiru: The Story of the Original Planet X

Extreme Mysteries

473K views

8:37

Planet X Discovered?? + Challenge Winners!

PBS Space Time

585K views

20:12

Planet X, Pluto, and NASA New Horizons

The History Guy: History Deserves to Be Remembered

129K views

1:02:47

NASA Is Closer Than Ever to Discovering Planet 9 / Planet X

BRIGHT SIDE Series

178K views

8:08

Our Solar System Might Have TWO Hidden Planets

SciShow

309K views

2:59

Planet X May Be Real - Evidence Mounting For 9th Planet | Video

VideoFromSpace

237K views

3:03:17

It seems that Planet X hid behind the Sun in our Solar System

BRIGHT SIDE Universe

640K views

3:10:54

Giant Planet X hid in the Solar System all this time | Nibiru Mystery | Space documentary

BRIGHT SIDE Universe

76K views

5:29

Scientists may have found "true" ninth planet

CBS News

444K views

11:01

Does Planet X Actually Exist?

ElderFox Documentaries

497K views

1:10:54

Planet X appears to be hidden behind the Sun in our Solar System

BRIGHT SIDE Universe

122K views

16:20

Does Planet 9 Exist?

Veritasium

7.3M views

0:20

NASA's James Webb Space Telescope discovers giant red planet outside of our solar system #shorts

CBS Evening News

9.6M views