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What If Earth Collided With Every Planet? (SIMULATION)

What If | May 29, 2026



Every planet in the solar system is hurtling toward Earth for an epic collision. In this special planetary battle royale, we use Space Sim to simulate six increasingly destructive cosmic crashes to see the physics behind the destruction. From being swallowed by gas giants to the formation of a brand-new magma world, we explore if anything, or anyone, could possibly survive.

00:00 Introduction: Six Destructive Collisions
00:58 Earth vs. Jupiter: Swallowed Whole
09:13 Earth vs. Mars: The Head-On Collision
15:43 Earth vs. Mars: The Orbital Dance & Second Moon
21:24 High-Speed Impact: 40 km/s “Worst-Case Scenario”
25:45 Earth vs. Uranus: Impacting the Tilted Ice Giant
35:40 The Moon vs. Earth: Destruction of Human Life
43:05 Earth vs. Saturn: Journey Through the 280,000 km Rings
50:55 Solar System Battle Royale: Every Planet at Once
59:54 Suggest the Next Cosmic Crash!

Have a collision idea? Tell us in the comments what you want to see us smash together next!

#cosmos #spacesim #collision

Written by What If

Comments

This post currently has 44 comments.

  1. @Grayson7Ls

    May 29, 2026 at 3:35 am

    Fun fact is that if a planet is colliding in your country, you might get ripped apart or start floating due to the objects gravity like let me put it in simple terms gravity will cause you to get pulled both ways so you will get ripped apart

  2. @anastasijajelic3298

    May 29, 2026 at 3:35 am

    That simulation of Earth hitting Jupiter is not realistic. If you look at the images of comet Schumacher Levy fragments impact which was enormously smaller than Earth, scars were much severe and were visible for longer period of time.
    And what a f are you talking about? Mars is the closest to Earth in mass in Solar system??? What about the Venus? Venus is just a little smaller than Earth, in space terms it is almost the same.

  3. @diegoeleodiegoeleo-t4x

    May 29, 2026 at 3:35 am

    โคโคโคโคโคโคโคโคโคโคโคโคโคโค๐Ÿงก๐Ÿงก๐Ÿงก๐Ÿงก๐Ÿงก๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’›๐Ÿ’š๐Ÿ’™๐Ÿ’™๐ŸคŽ๐ŸคŽ๐Ÿ–ค๐Ÿ–ค๐Ÿ–ค๐Ÿ–ค๐Ÿ–ค๐Ÿ–ค๐Ÿ–ค๐Ÿ–ค๐Ÿ–ค๐Ÿค๐Ÿค๐Ÿค๐Ÿ’•๐Ÿ’“๐Ÿ’ž๐Ÿ’—๐Ÿ’—๐Ÿ’—๐Ÿ’—๐Ÿ’–๐Ÿ’–๐Ÿ’–๐Ÿ’–๐Ÿ’–๐Ÿ’–๐Ÿ’๐Ÿ’˜

  4. @doobie_mouse2083

    May 29, 2026 at 3:35 am

    Actual science question… If the last scenario happened would that be enough to become a new proto star? Would we have just turned sol into a binary system with zero planets?

  5. @festustrammell3440

    May 29, 2026 at 3:35 am

    What would happen if the distance from the earth to the moon started exponentially increasing beyond the current 3 to 4 cm. How far does the moon have to go to escape earths gravity? What would happen on earth? Would the moon settle into a orbit around the sun?

  6. @kjlanier1975

    May 29, 2026 at 3:35 am

    I noticed in the orbital collision, no one mentioned the fact that the rotation of Earth changed as well to an over-the-top rotation, kinda like how Uranus sounds on its side

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