Does Planet 9 Exist?

Does Planet 9 Exist?

A planet has been predicted to orbit the sun with a period of 10,000 years, a mass 5x that of Earth on a highly elliptical and inclined orbit. What evidence supports the existence of such a strange object at the edge of our solar system?

Huge thanks to:
Prof. Konstantin Batygin, Caltech
Prof. David Jewitt, UCLA

I had heard about Planet 9 for a long time but I wondered what sort of evidence could support the bold claim: a planet at the very limits of our ability to detect one, so far out that its period is over 60 times that of Neptune. The planet 9 hypothesis helps explain clustering of orbits of distant Kuiper belt objects. It also explains how some of these objects have highly inclined orbits – up to 90 degrees relative to the plane of the solar system. Some are orbiting in reverse. Plus their orbits are removed from the orbit of Neptune, the logical option for a body that could have ejected them out so far. The fact that the perihelion is so far out suggests another source of gravity was essential for their peculiar orbits.

Special Thanks to Patreon Supporters:
Alfred Wallace, Arjun Chakroborty, Bryan Baker, Chris Vargas, Chuck Lauer Vose, DALE HORNE, Donal Botkin, Eric Velazquez, halyoav, James Knight, Jasper Xin, Joar Wandborg, Kevin Beavers, kkm, Leah Howard, Lyvann Ferrusca, Michael Krugman, Mohammed Al Sahaf, Noel Braganza, Pindex, Ron Neal, Sam Lutfi, Stan Presolski, Tige Thorman

Music from “Observations – From Now On” “Magnified XY”

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67 Responses

  1. Carl CIFER says:

    Imagine Planet 9 rotating around sun and alpha centauri system slingshot-ing to each system every 65million years

  2. Isa Ali says:

    I think they should just call it planet 9

  3. Tizzer says:

    4:05 You can just tell how happy he was asking that. Thats so cool to meet him

  4. Shrihari S says:

    Derek Muller : Literally Anything
    Konstantin : That’s a great question!

  5. Gabriel Gallina says:

    “that’s a great question”
    -Konstantin about every question

  6. Bas L says:

    What if aliens covered planet 9 in vantablack just to screw with us.

  7. Vimal Sobhee says:

    derek: is that a great question?

    prof: that’s a great question

  8. freedomcaller says:

    Inter-splicing the clips of the skeptic absolutely made this video!

  9. THeDoMeTB says:

    10k cubic AU
    sure, thats something a normal person can imagine

  10. anas alsalti says:

    “The hardest thing of all is to find a black cat in a dark room, especially if there is no cat.”
    An old Chinese saying , so beautiful to see actual scientific arguments done in person , this could be history

  11. Student Engineer says:

    “When you go far enough away from the sun there’s enough room to hide almost anything… Even your mum”

  12. Digitalatom6 says:

    Is it possible that planet 9 is a rogue planet captured by the Sun?

    • S. says:

      @So Cal Bee Guy No he’s not. For planet 9 to exist it pretty much must have exact predicted mass and orbit otherwise all the things that “show us” it “is real and exist” would go away..

    • So Cal Bee Guy says:

      @S. I see.

    • HappyBeezerStudios - by Lord_Mogul says:

      If such a large object with a corresponding orbit would come “in our lifetime” then it would be close enough already to be seen easily. That speaks against a brown dwarf.

    • So Cal Bee Guy says:

      @HappyBeezerStudios – by Lord_Mogul We don’t know the speed or the location. A recent NASA panel voiced the possibility of a brown dwarf just outside our solar system. Space is large, and someone above did point out something about needing a mathematically accurate prediction. Without that, maybe it is not being seen. There are parts of Google Sky that are censored. Also, the Vatican’s radio telescope “Lucifer” was shut down not too long ago under very mysterious circumstances amid rumors of this subject. One may question why the Church is so interested in astronomy in the first place.

    • copaceticetal says:

      The idea I read, at least ten years ago, was that IX was a planet pushed out by Jupiter. The widely held belief, at that point, was that all of the gas giants initially formed much closer together but Jupiter, being such a huge bitch, disrupted their orbits to the extent that they spread apart. When Jupiter was pushing Saturn, Uranus and Neptune out of its way it may have ejected another world completely.

  13. XxExoticButterzxX says:

    YouTube: “Does Planet 9 Exist?

    Pluto: “Sad planet noise”

  14. Tim Kemna says:

    Can we call it planet ten to confuse people the same way Microsoft/apple did

  15. Mijacogeo says:

    Since we’re all nominating names for Planet 9, I nominate Bluto, the big guy from Popeye.

  16. Mr. Luigi says:

    David Bowie and it’s moon Ziggy Stardust. That brightened my day.

  17. Victor Faroeste Virtual says:

    Space may be the final frontier
    But it’s made in a Hollywood basement
    Red Hot Chili Peppers

  18. Robert Pemberton says:

    Can great questions exist?
    Professor: That’s a great question.

  19. King Aragorn II says:

    ? V: *”Who’s responsible for finding the Kuiper belt?”*

    Prof.: *”I found the Kuiper belt.”*

  20. GhostBoo says:

    *Plot twist: Planet 9 is just a Magic 8 Ball on steroids.*

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