Earth is about to have an in depth encounter with a comet, probably passing by its ion tail – a uncommon incidence. If we’re fortunate, it might present up as a blue streak within the northern hemisphere evening sky.
Samuel Grant at College Faculty London and Geraint Jones on the European House Company say there’s a good probability that tonight, 10 October, our planet will intersect the trail of the ion tail of comet C/2023 A3 (Tsuchinshan-ATLAS). “It’s a very uncommon state of affairs,” says…