Ultraviolet light gives astronomers new clues on mysterious stellar eruptions

White dwarfs explode under certain conditions, but the causes of these events remain a mysterious process. However, the detection of a flash of ultraviolet light from one of these explosions could help answer questions about these stellar eruptions. This is just the second time such a flash of energy has been seen by astronomers during one of these events. It could also help researcher better understand the formation of heavy elements, such as iron, as well as providing a look at one of the great mysteries of the Universe — dark energy. “The UV flash is telling us something very…

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