Top 10 Things Going On In Space That Will Melt Your Brain

Black Holes


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Black holes are still a great mystery. Their very nature is what makes them so difficult to understand. For one, you can’t see them. Their gravity is so strong, nothing can escape, including light. Matter would have to move faster than the speed of light to get out of the grip of gravity (called the escape velocity), which is impossible. This is how black holes got their name: no light comes out of it, so we can’t see it, therefore it’s black. Simple.
Except they’re not so simple.

Black holes are a sort of stellar carcass. When a massive star (much bigger than our Sun) dies, it blows up into a supernova and will collapse into a neutron star or a black hole, the latter of which is completely unlike a star. Black holes have an extreme gravity that leads to a singularity where there is infinite density, where all of the mass is packed, and where time stops completely. The event horizon is the “point of no return” on the outer part of the black hole where the escape velocity exceeds the speed of light and space and time move in one direction: forward.

Once you cross into the event horizon, you’re not coming back. If you get to the singularity, you will die an ugly, but quick, death. Because the tidal forces are so strong, your body will be unnaturally elongated, and you will be crushed front to back and side to side. You’ll end up looking like string, which is another reason we don’t know much about black holes. It’s too risky.

Alternate Universes


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This one does sound like pure science fiction, but it is a legitimate concept that scientists have grappled with for a century.

During World War I, Karl Schwarzschild wrote up the first equation about black holes, like their radii, and even more fascinating, what’s inside. He wrote that at a single instant, the singularity (that point of death that crushes you) connects to an infinite parallel universe completely independent of but within our own universe.

Even crazier is what a man named Roy Kerr wrote. His equations apply to a rotating black hole. That makes a world—or worlds—of difference. His equations turn the singularity into a ring instead of a dot. This ring is almost like a portal that would lead to infinite universes. If you went through the singularity (without touching the ring because you’d die) you would go into another space somewhere else and could not go back through that same singularity to the space whence you originally came. The space that you would enter would be inside a white hole that, as the name suggests, is the total opposite of a black hole in that nothing can come into it but can only spew out. In theory, you could go out of that white hole and be in a universe just like ours but isn’t ours. If you wanted, you could find another black hole, go in, and come out of a white hole in a third universe. You could repeat this process forever, if you wanted to.

Of course, all of this is just in math, not reality. While it probably is not true, due to factors like adding mass, it is a concept that scientists have to take seriously and deal with today.

White Holes


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A white hole is the complete opposite of a black hole because nothing can go in. It is structured just like a Kerr black hole, though, in that its singularity is ring shaped and acts as a gateway to other universes. It does have an event horizon as well that does not allow those who cross it to come back inside because the space and time are that strong.

There are no white holes in our universe. These are purely hypothetical and come with the math behind black holes. Even if hypothetical white holes existed in hypothetical universes in hyperspace, we would not be able to access them simply due to the nature of black holes.

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