Thursday, September 30, 2010

Weekly Brain Teaser: Answer

QUESTION: If you were to scoop up a 10 cm cube of material from an average neutron star, how much mass would the cube have?

ANSWER: at a rough average density of 10^17 kg/m^3,  if you scooped up a 0.10 m cube of material from a neutron star, it would weigh roughly 10^14 kg

This is roughly the mass of Halley's Comet, which has a mean diameter of 11 km.  All that mass packed into a 10cm x 10cm x 10cm cube.  Neutron stars are dense!  

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