official news from : https://bit.ly/2QkyIbY An international team of astronomers has discovered a cosmic rarity: an ultra-massive white dwarf star resulting from a white dwarf merging with another star, rather than through the evolution of a single star. This discovery, made by NASA’s Hubble Space Telescope’s sensitive ultraviolet observations, suggests these rare white dwarfs mayContinue reading “NASA’s Hubble Uncovers Rare White Dwarf Merger Remnant”
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