This Tiny Comet Pulled Off a First-of-Its-Kind Spin Flip
A fresh analysis of Comet 41P/Tuttle-Giacobini-Kresak observations suggests it abruptly reversed its spin after its last Earth flyby-an extreme and unprecedented change.A fresh analysis of Comet 41P/Tuttle-Giacobini-Kresak observations suggests it abruptly reversed its spin after its last Earth flyby-an extreme and unprecedented change.