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Nemiroff, Robert; Jerry, Bonnell (October 15, 2022). "GRB 221009A". Astronomy Picture of the Day. NASA. Archived from the original on January 9, 2023. Retrieved January 12, 2023.
Nemiroff, Robert; Jerry, Bonnell (October 15, 2022). "GRB 221009A". Astronomy Picture of the Day. NASA. Archived from the original on January 9, 2023. Retrieved January 12, 2023.