Their findings – from the Large Sky Area Multi-Object Fibre Spectroscopic Telescope near Beijing and the Subaru Telescope in Hawaii – showed that so-called first-generation stars – which lit up the universe some 100-250 million years after the Big Bang – could be as colossal as 260 times the sun’s mass.
Harvard University theoretical physicist Avi Loeb, who was not involved in the research, hailed the discovery as “extremely important in confirming our theoretical ideas about the first generation of stars”. The first-generation stars were short-lived and very hard to detect, leaving only their chemical signatures in the next generation of stars.
The team compared the star’s spectrum with theoretical models and concluded that it was most likely to have formed in a gas cloud dominated by the remnants of a first-generation star with a mass equivalent to 260 suns.in the later universe – which occur as the star uses up its fuel and collapses into a neutron star or black hole – the explosion of LAMOST J1010+2358’s parent star involved the generation of electrons and their antimatter counterpart positrons.
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