Black Holes
Many people wonder what is a black hole. Astronomers have studied black
holes and other massive objects, such as novas for a many of years.
The picture above shows a computer image of a black hole. This and
other scientific methods have shown the properties of black holes and
what they are capable of doing. Throughout this summary, there will be
a further explanation of what black holes are.
By definition, a black hole is a remnant of a dead star with massive
gravity. It pulls everything into it, including light. In the middle
of most galaxies, there are black holes. They cause unusually high
central velocities, which are stars near the middle of the galaxy that
are moving extremely fast. Once the astronomers discovered the stars
moving very fast near the center, that indicated there was something
there that was intensely massive. It is millions of times more
massive than our very own sun.
A black hole's action is analagous to a vacuum cleaner. Both "sucks up"
anything that is around or near them. Their functions are synonymous
by comparison. There are some physical differences, such as a vacuum
uses a motor to suck up objects, but the black hole has tremendous
gravity that "sucks up" objects also. Light or x-ray energy can not
escape the black hole by any means. This is all due to the familiar
force, called gravity.
In conclusion, we have grasped the concept of black holes. Their
structure and function are extremely complex. They are not "holes" in
the universe as many think. They are remnants of dead stars with
immense amounts of mass and gravity. We found black holes to be very
interesting and now we have a further understanding about them.
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