At the moment, Comet C/2023 A3 is roughly 175 million kilometres from Earth. While that certainly sounds like a great distance, relatively speaking, it's right in our neighbourhood. The comet will be ...
The final hurdle for Tsuchinshan-ATLAS to surmount will come on the afternoon of Sept. 27, when it arrives at perihelion — the closest point in its orbit to the sun. The saga of Comet ...
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