New pinwheel star system discovered

NEW YORK: Scientists have discovered a new, massive star system in the Milky Way galaxy that challenges existing theories of how large stars eventually die.This system is likely the first of its kind ever discovered in our own galaxy, said Benjamin Pope, a NASA Sagan fellow at New York University in the US.The scientists detected a gamma-ray burst progenitor system -- a type of supernova that blasts out an extremely powerful and narrow jet of plasma and which is thought to occur only in distant galaxies.It was not expected such a system would be found in our galaxy -- only in younger galaxies much further away, said Pope.Given its brightness…