Whats the meaning of Dark Matter? If you put all of the energy and matter of the cosmos into a pie and divvy it up, the result is shocking. All of the galaxies, stars, planets, comets, asteroids, dust, gas and particles account for just 4 percent of the known universe. Most of what we call matter -- about 23 percent of the universe -- is invisible to human eyes and instruments. For now. Scientists can see dark matters gravitational tug on stars and galaxies, but are searching feverishly for ways to detect it first-hand. They think particles similar to neutrinos yet far more massive could be the mysterious, unseen stuff.
Posted on: Tue, 12 Nov 2013 13:55:47 +0000
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