At 12-25 miles (20-40km) across, Comet Tsuchinshan-ATLAS is very large. As comets get closer to the sun, they heat up and let off gases that can glow like a "tail" that stretches across vast ...
It will be difficult to ever now for sure what caused the explosive flash, but a large asteroid or a comet are likely culprits. Massive Jupiter exerts a strong gravitational pull on everything in ...