https://www.science.org/doi/10.1126/science.adj3638
We interpret this feature as a blueshifted spectral line produced by the annihilation of electron-positron pairs
We interpret this feature as a blueshifted spectral line produced by the annihilation of electron-positron pairs
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One of these GRB frickers is gonna get us one of these days
It could have already happened and we just don't know it's on the way
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