Tuesday, August 22, 2006

Dark matters

By Creature

Space is cool.
For decades, many scientists have theorized that the universe is made up of nearly undetectable mysterious substances called dark matter and dark energy. But until yesterday there was no proof that the subatomic matter actually exists.

After studying data from a long-ago collision of two giant clusters of galaxies, researchers now say they are certain dark matter does exist and plays a central role in creating and defining gravity throughout the universe.

Explore more.

(Cross-posted at State of the Day.)

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