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Why it’s impossible to go above and below the Solar System

What If | November 9, 2026



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Every map or diagram of the solar system shows the planets orbiting neatly around the Sun. But have you ever noticed that nobody has ever taken a real picture looking directly down from above?

It turns out, soaring over the Sun’s North or South Pole is one of the most brutally difficult challenges in spaceflight. It’s not about the extreme heat or the vast distances, it comes down to the stubborn physics of Delta-V and the fact that our solar system is almost completely flat.

In this episode of What If, we explore why brute-forcing a 90-degree turn in space is impossible, how spacecraft like Ulysses and Solar Orbiter used planetary gravity assists to break out of the ecliptic plane, and what the universe would actually look like if you traveled far above the Sun into interstellar space.

00:00 The Illusion of the Solar System
00:55 Heat vs. Flatness: The True Obstacle
02:46 The Ecliptic Plane Explained
05:34 Why Study the Sun’s Poles? (Solar Storms & Flares)
06:48 The 11-Year Solar Polarity Flip
07:38 The Delta-V Problem: Why Spacecraft Inherit Earth’s Speed
09:26 The Physics of Making a 90-Degree Turn in Space
11:31 Using Jupiter for Gravity Assists: The Ulysses Mission
14:09 Solar Orbiter & The First View of the Poles
16:31 What Would You See from 90° Above the Sun?
17:49 Why Is the Solar System Flat? (Angular Momentum)
19:15 Reaching the Heliopause & The Sun’s Radiation Shield
21:11 The Kuiper Belt, Oort Cloud, and True Scale
22:00 Galactic Context: The Solar System’s Angle in the Milky Way

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#sun #space #solarsystem #star #spacetravel #nasa

Written by What If

Comments

This post currently has 45 comments.

  1. @1stevil1

    November 9, 2026 at 6:03 am

    I’m going to be “that guy”. How can a channel that preaches Save The Planet, promote AI? It seems counterproductive to promote something that is known for destroying the environment on a channel that says we have to save it!

  2. @JamesT-01

    November 9, 2026 at 6:03 am

    Lord heaven, smh. We have satellites orbiting our poles and the we had one that studied the poles.of the Sun. They flip over time as a matter of fact.
    Technically our solar system is not moving on a flat plane 🙄 it is actually spiraling through our galaxy at an angle. You can go any direction you want but you will not return to the same spot once you do especially if you go out past the solar system because we are moving within the galaxy so you woukd have setup your computers to calculate how to return when you are that far away. It's not like gong to the moon and back, it's much different.

  3. @rwandaforever6744

    November 9, 2026 at 6:03 am

    It's not impossible. Nothing is actually impossible. Some things are just unlikely or very hard to do, but not impossible. And this is not even both of those, since it has been done several times now. Also, turning 90° is really easy…the problem is, that you then fly sideways in the same direction. But that is only turning your craft, not changing the flight's direction 90°. For that you can use the swing-bys as shown or use fuel that is abundant in space, so you do not have to bring it up.

  4. @remielthe2nd

    November 9, 2026 at 6:03 am

    Right. That was an almost perfect balance between overall functionalities of the solar system and the theoretical physics behind it. For my taste you guys could actually go for more theoretical contents, whilst remaining entertaining. Btw: Kudos for the fitting pictures, e.g. for the "wabbling" of the galaxies' disc.

  5. @TheLingrush

    November 9, 2026 at 6:03 am

    It's not impossible, but it is extremely difficult and requires A LOT of time. We currently have a mission being worked on. It will take 15 years just to get a 3 degree increase, but we will be able to observer the north pole of the sun.

  6. @goldenstatedre

    November 9, 2026 at 6:03 am

    It’s because the solar system is literally flying through the galaxy. And it’s not flying perfectly with each planet in its preferred position. It’s more like the sun flying through space like a comet, taking the orbiting planets with it in a weird kind of space train.

  7. @sol666

    November 9, 2026 at 6:03 am

    I think the discussion is pointless from the very subject matter being discussed. Anyone who is even a casual enthusiast of astronomy and knows their physics should know the sun itself is in motion through space at a speed that even a rockat hitting exit velocity couldn't keep up with. What would happen if a rocket exits the solar gravitational field straight up. With no connection left between the solar system and the rocket. The sun will move away faster then the rocket while whoever is in the rocket will be wondering where the solar system disappeared.

  8. @TyGotDaKey

    November 9, 2026 at 6:03 am

    I always wanted to know even if there was the slightest chance, is there a small calculation that would support the theory of a planet or asteroid that could have a up and down rotation

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