A comet that has not been seen for more than 80,000 years is expected to be visible from Earth, potentially during two separate time periods in the next month.
How, when, and where to look to see Comet A3, also known as C/2023 A3 (Tsuchinshan-ATLAS), this Monday, Sept. 30, with sky ...
Comet Tsuchinshan was first spotted in China in January 2023, and appears to have two tails: one white and the other blue.