Question

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Here's a question➡️➡️
Write interesting facts about black hole.
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Answer 1

1. Black Hole Affects Time

They affect time

The clocks run really slow near black holes as compared on earth, due to the massive gravitational force.

This all depends on the curvature of spacetime around a black hole. A beam light has to cover a greater distance near a black hole. However, to an observer in that extreme gravitational field, light must appear to always be 299792458 m/s, time has to slow for that individual (observer) as compared to someone outside the gravitational pull.

2. They are Incredibly Big

Incredibly Big

Of course Black hole is a giant structure but how big it is?

The mass of a black hole is directly proportional to the size of the event horizon (also known as Schwarzschild radius). Scientists have discovered event horizon ranging from 6 miles to the size of our solar system.

Schwarzschild radius

The Schwarzschild radius of the Earth is about the size of a marble. That means, you have to compress the earth to size of marble in order to turn it into a black hole. Now you can calculate the size of black holes.

3. The shape of the Black Hole



In some textbooks or sites, you might have seen black holes that look like funnels. This is because they are being illustrated from the perspective of gravitational force or other criteria. In reality, they look more like black sphere.

Answer 2

Black Hole

Black is a heavenly body . Which is formed after the mega explosion known as supernova . Supernova is basically a explosion occurs during the death of a star . Black holes have very high gravitational pull even light practicals cannot escape from its gravitational effects .The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole. You can’t directly see a black hole. Because a black hole is indeed “black” no light can escape from it — it’s impossible for us to sense the hole directly through our instruments . There is one black hole in our Milkyway also which is in the center of the Galaxy .