| http://www.w3.org/ns/prov#value | - of gas and dust shed earlier by the star, generating X-rays and other high-energy radiation.Based on X-ray, optical and near-infrared observations of the supernova, dubbed SN 2008D, Modjaz and her colleagues determined that the stellar explosion was probably from a star, originally more than approximately 30 times the mass of the sun, that must have shed its outer envelope of hydrogen but retained
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