标签： 彗星ZTF

天文·每日一图

优胜美地瀑布上空的ZTF彗星

2023年2月21日 Comet ZTF over Yosemite Falls Image Credit & Copyright: Tara Mostofi Explanation: They are both falling. The water in Yosemite Falls, California, USA, is falling toward the Earth. Comet ZTF is falling toward the Sun. This double cosmic cascade was captured late last month as fading Comet C/2022 E3 (ZTF) had just passed its closest to planet E...

天文·每日一图

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...