How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Friday, Oct. 18, with sky charts, before it gradually fades from view. How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Friday, Oct. 18, with sky charts, before it gradually fades from view. Science, /science, Innovation, /innovation, Science, /science, science, science, standard