Astronomers in have spotted a fiery 'nova explosion' from a white dwarf for the very first time.Researchers observed the event, thanks to data from the joint German-Russian eROSITA X-ray telescope, which is stationed in space about 900,000 miles away.The X-ray flash – dubbed YZ Reticuli – completely overexposed the centre of eROSITA's detector, which records emitted photons.
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