Black Holes: The Dark Stars

Black Holes: The Dark Stars

A black hole is, like the name itself, a point of singularity and infinite density, which remains invisible, much like the event horizon, which is the surface.

A black hole, from a distance, carries the same properties of mass and gravity like a star would, without the light, heat, warmth and radiation.

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The black hole’s center is like a dark future which cannot be seen, so no one knows what is beyond the tiny point that looks like a giant ball to the person going in. It’s almost like one is landing to the surface of a dark planet, which looks like a black geometric sphere with no features.

Nothing escapes the black hole, but it would be nice if something else is on the other side.

  • As a person (hypothetically) is pulled towards singularity, the difference in gravity is greatly felt, mainly due to the mass of the black hole being concentrated in an infinitely tiny point.
  • The body is stretched and squeezed, as the extreme gravity changes the shape of everything, including the surrounding light, something known as spaghettification.
  • Time Dilation makes the outside universe look like it's in a fast forward mode.

If the event horizon is breached, it is impossible not to get sucked into the gravity towards the point of singularity, from which not even light can escape. One then cannot control their own movements and are now headed straight towards the centre.

Before one gets sucked inside a black hole, which is often a million times bigger than the sun, one gets a few moments to experience this magnanimous mystery of the universe.

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What is a black hole?

A black hole is a place in space here gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying.

Because no light can get out, people can't see black holes. They are invisible. Space telescopes with special tools can help find black holes. The special tools can see how stars that are very close to black holes act differently than other stars.

<p>Given that our first direct...

Given that our first direct detections confirming the existence of black holes only took place in this century, humanity can be forgiven for not knowing a few things about these mysterious cosmic objects.

Gravity is one of the universe's fundamental forces

Scientists know four forces - things that attract or repel one object from another. The strong force and the weak force operate only inside the centres of atoms. The electromagnetic force rules objects with excess charge, and gravity directs objects with mass.

People have long speculated about gravity. While ancient Greek and Indian philosophers observed gravity, it was the insight from Isaac Newton that made it possible to measure and predict the phenomenon.

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