Sunday, September 22, 2013

PSR J1719-1438b: The Star that Turned into a Diamond Planet

PSR J1719-1438 is probably one of the most fantastical cosmic objects that you'll ever encounter. First, 1438 is a neutron star. A neutron star is a stellar object this is amazingly massive (they are at least 1.4 times the mass of our sun), and they are amazingly small (generally only about 20km [12mi] across). And a large mass + a small size = extreme density. Since neutron stars are so dense, on Earth, one teaspoon of this stellar material would weigh about a billion tons.

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