Comet 41P/Tuttle-Giacobini-Kresak, a small icy body orbiting Jupiter’s neighborhood, did something astronomers rarely witness: after swinging past the sun in April 2017, it slowed its spin to a ...
A fresh analysis of Comet 41P/Tuttle-Giacobini-Kresák observations suggests it abruptly reversed its spin after its last Earth flyby—an extreme and unprecedented change. Reading time 3 minutes The ...