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Astronomers detected GRB 250702B, the longest gamma-ray burst ever recorded, lasting nearly seven hours. Scientists think it may have come from a rare black hole and helium star merger, potentially revealing a new class of cosmic explosions. Paperlink: https://iopscience.iop.org/article/10.3847/2041-8213/adf8e1 Visit our website for up-to-the ...
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