Black holes, what
are they? Is it a big hole in space or a big ball of gas? Albert Einstein
quoted that “Black holes are where God divided by zero.”
In 1961 physicist Karl Schwarzschild
suggested that black holes were real. Ten years later in 1971 astronomer named
John Wheeler saw one for the first time.
There are three parts of a black hole. The
first part is the outer event horizon, which is the border of the black hole
and still able to eat light. The second is the inner event horizon, which is stronger.
Third and final is the singularity which is the strongest and center of the
Like many things in life, there are many
varieties. Black holes have three: stellar, intermediate and the supermassive.
The stellar black hole is form when a
single star explodes and continues to compress. Intermediate black hole is when
multiple stars collide in a chain reaction of explosion. Finally, is the supermassive
black hole which forms hundreds or
thousands of stars collide.
Black holes are unique because they work by
sucking in everything and anything gaining mass until Hawking radiation
eventually destroys them.
Hawking radiation, named after Stephan
Hawking in 1974. It’s invisible particle pairs constantly being created around
the outer event horizon. Normally, a particle, antiparticle pair form and they
quickly annihilate each other, slowly decreasing the mass of the black hole.
The purpose of Hawking radiation is to keep black holes in check.
There are so many mysteries about black holes. For the facts, I have shared with you today are only the tip of the
iceberg. But no need to worry, the closest black hole is only 27,000 light
years away. As Subrahmanyan Chandrasekhar quoted “The black holes are the
most perfect objects there are in the universe; the only elements in their
constructions are our concepts of space and time”.