Thursday, November 12, 2009

Some Strange Things in Space

http://www.space.com/bestimg/?guid=4499b37d6b914&cat=strangest

"Top 10 Strangest Things in Space"

There are many exceptionally astonishing things going on in the universe around us. One such phenomenon are quasars; bright beacons at the edge of the universe which release more energy than hundreds of galaxies combined. Scientists believe these are black holes in distant galaxies.
In space, although we tend to think empty space is simply empty, it is in fact countless 'virtual' subatomic particles that are constantly being created and destroyed. The short-lived particles fill the space with energy which creates an anti-gravitational force that pushes space apart.
Distortions in space-time predicted by Albert Einstein's theory of general relativity are known as gravity waves. These waves travel at the speed of light, but can only be detected by scientists when large cosmic events take place because otherwise they are too weak.
Discovered in space were strange particles that are opposite versions of particles making up normal matter, called anti-matter. For example, an electron has an anti-matter equivalent called a positron, which is opposite the electron by being positive. When normal and anti- matter meet their mass is converted into pure energy (E=mc2). Futuristic space ship designs incorporate anti-matter engines.
All in all, there are many strange things in space, some proven some not, that are slowly providing clues to the questions we pose as we seek for others like ourselves in the universe.


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