supernovas

  1. bobthenob

    supernovas,pulsars,black holes

    At the heart of the Crab Nebula lies one of the strangest objects in the known universe.A tiny corpse of a deceased star,compressed into unbelievable densities,spins in its grave 30 times per second,sending out a beam of radio waves that were first detected on earth in 1968.lt is called a...
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