彗星与大、小北斗
2023年2月7日 A Comet and Two Dippers Image Credit & Copyright: Petr Horalek / Institute of Physics in Opava Explanation: Can you still see the comet? Yes. Even as C/2022 E3 (ZTF) fades, there is still time to see it if you know where and when to look. Geometrically, Comet ZTF has passed its closest to both the Sun and the Earth and is now headed back to th...