Thursday, January 11, 2007

Dark Matter

Astronomers know it exists because the gravity of the invisible stuff bends the paths of visible stars and galaxies. Some scientists believe it constitutes as much as 90% of all matter in the universe. The identity of dark matter is the outstanding problem of astronomy.

1 Comments:

Blogger Angie said...

Did you read the interesting articles on the BBC web site about Dark Matter? Fascinating isn't it? http://news.bbc.co.uk/1/hi/sci/tech/6235751.stm?ls

Angie xxx

6:14 PM  

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