Monday, May 16, 2011

What's Hot This Week

What's 96 Percent of the Universe Made Of? Astronomers Don't Know

By Clara Moskowitz

All the stars, planets and galaxies that can be seen today make up just 4 percent of the universe. The other 96 percent is made of stuff astronomers can't see, detect or even comprehend.

Superflare from Crab Nebula Has Astronomers Mystified

By Staff

The Crab Nebula, the dusty remains of an exploded star, has unleashed a surprisingly massive flare that is five times more powerful than any eruption previously seen from the celestial object, leaving scientists struggling to explain the event, NASA says.

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