Comet approaches

Michael Mattiazzo THE brightest comet in more than a decade, known as C/2023 A3 Tsuchinshan-ATLAS (pronounced choo-cheen-shan, is fast approaching. This Oort cloud comet originated in the far reaches of the solar system, some 90,000 times Earth-Sun distance. The nucleus is about 2-5kms across, but the tail length can grow to millions of kilometres. This […]