The outer crusts of so-called neutron stars (above, a neutron star in an artist's conception) are ten billion times stronger than steel—making it the strongest known material in the universe, scientists said in May 2009. Image by Casey Reed, courtesy of Penn State From National Geographic News:
Move over, Superman.
The Man of Steel has nothing on the collapsed cores of massive snuffed-out stars, scientists say.
A new computer model suggests that the outer crusts of so-called neutron stars are the strongest known material in the universe.
To determine the breaking point of a neutron star's crust, the team modeled magnetic field stresses and crust deformation for a small region of the star's surface.
The results showed that the crust of a neutron star can withstand a breaking strain up to ten billion times the pressure it would take to snap steel.
"It sounds dramatic, but it's true," said study team member Charles Horowitz of Indiana University.
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