A Black Hole Collision!

Have you ever heard of a black hole?
? A black hole is something that exists in outer space. Like the name implies, it is a hole in space wherein things that go into the hole, such as comets or asteroids, never come out.
? Their gravitational pull is so powerful that even light photons can get sucked into the hole without being able to escape, thus giving the impression of a massive area of blackness against a backdrop of points of light emitting from stars.

Black holes sound dangerous, right?
? Fortunately, they are very far away. It would take a spaceship traveling at the speed of light 1,000 years to reach the nearest black hole.

September 2, 2020:
? Scientists in the US and Italy announced the startling news that they had detected the collision of two black holes. Their instruments picked up gravitational waves from the collision, and these waves had travelled seven billion light years across space before reaching the earth.

So while this was β€œnews” to us, the event actually occurred seven billion years ago!

Cool Facts:
?There are between 3 to 100 solar masses in a black hole, which is equivalent to 3-100 of our suns! Supermassive black holes can have more than 1000 solar masses!
?Speculation about the existence of Blacks Holes came out of the theories and formulas derived by the famous scientist Albert Einstein.
?Light is so fast it can travel around the earth seven times in a second.

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