Friday, April 2, 2010

Binary Neutron Stars

When a large star gets old, it explodes, instantly releasing as much energy as the Sun outputs in ten billion years. This is called a supernova, which is Latin for "Wow, no really, wow."

After the explosion, what's left at the center is a neutron star, which is an extremely dense object with just slightly more mass than our own Sun, crammed into a space the size of New Orleans. A neutron star is so dense that a teaspoonful of one would weigh as much as ten million Oprahs.
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