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This photo provided by Nicolas Biver shows Comet C/2023 A3 (ATLAS-Tsuchinshan) as seen from Eure-et-Loir, France, June 6, 2024. (Nicolas Biver via AP)

This photo provided by Nicolas Biver shows Comet C/2023 A3 (ATLAS-Tsuchinshan) as seen from Eure-et-Loir, France, June 6, 2024. (Nicolas Biver via AP)

This photo provided by Nicolas Biver shows Comet C/2023 A3 (ATLAS-Tsuchinshan) as seen in the night sky of Granada, Spain, on Tuesday, Oct. 1, 2024. (Nicolas Biver via AP)

This photo provided by Nicolas Biver shows Comet C/2023 A3 (ATLAS-Tsuchinshan) as seen in the night sky of Granada, Spain, on Tuesday, Oct. 1, 2024. (Nicolas Biver via AP)

This image provided by Patrick Ditz shows two views of comet C/2023 A3 with bars added to indicate it's angular size, seen from San Pedro de Atacama, Chile, Sept. 24, 2024. (Patrick Ditz via AP)

This image provided by Patrick Ditz shows two views of comet C/2023 A3 with bars added to indicate it's angular size, seen from San Pedro de Atacama, Chile, Sept. 24, 2024. (Patrick Ditz via AP)