标签: 彗星

恩克彗星与蝌蚪云

2023年10月27日 Encke and the Tadpoles Image Credit & Copyright: Dan Bartlett Explanation: History’s second known periodic comet is Comet Encke (2P/Encke). As it swings through the inner Solar System, Encke’s orbit takes it from an aphelion, its greatest distance from the Sun, inside the orbit of Jupiter to a perihelion just inside the orbit of ...

掠过金牛座的猎户流星

2023年10月26日 Orionids in Taurus Image Credit & Copyright: David Cortner Explanation: History’s first known periodic comet, Comet Halley (1P/Halley), returns to the inner Solar System every 76 years or so. The famous comet made its last appearance to the naked-eye in 1986. But dusty debris from Comet Halley can be seen raining through planet Earth&#...

靓丽的西村彗星

2023年9月11日 Beautiful Comet Nishimura Credit & Copyright: Petr Horálek / Institute of Physics in Opava Explanation: This scene would be beautiful even without the comet. By itself, the sunrise sky is an elegant deep blue on high, with faint white stars peeking through, while near the horizon is a pleasing tan. By itself, the foreground hills of eastern S...

远去的ZTF彗星

2023年3月24日 Outbound Comet ZTF Image Credit & Copyright: Rolando Ligustri Explanation: Former darling of the northern sky Comet C/2022E3 (ZTF) has faded. During its closest approach to our fair planet in early February Comet ZTF was a mere 2.3 light-minutes distant. Then known as the green comet, this visitor from the remote Oort Cloud is now nearly 13.3...

ZTF遇到ATLAS彗星

2023年2月10日 ZTF meets ATLAS Image Credit & Copyright: Stefan Bemmerl Explanation: Fading as it races across planet Earth’s northern skies comet C/2022 E3 (ZTF) shares this telescopic frame with comet C/2022 U2 (ATLAS). Captured on the night of February 6 from a garden observatory in Germany’s Bavarian Forest, the starry field of view toward t...

埃特纳火山上空的ZTF彗星

2023年1月28日 Comet ZTF over Mount Etna Image Credit & Copyright: Dario Giannobile Explanation: Comet-like plumes are blowing over the volcanic peaks of Mount Etna in this wintry mountain-and-skyscape from planet Earth. The stacked and blended combination of individual exposures recorded during the cold night of January 23, also capture naked-eye Comet ZTF...

ZTF彗星: 穿过其轨道面所见的景观

2023年1月27日 Comet ZTF: Orbital Plane Crossing Image Credit & Copyright: Dan Bartlett Explanation: The current darling of the northern night, Comet C/2022 E3 ZTF is captured in this telescopic image from a dark sky location at June Lake, California. Of course Comet ZTF has been growing brighter in recent days, headed for its closest approach to Earth on F...

肉眼可见的ZTF彗星

2023年1月21日 Naked-eye Comet ZTF Image Credit & Copyright: Óscar Martín Mesonero (Organización Salmantina de la Astronáutica y el Espacio) Explanation: Comet C/2022E3 (ZTF) is no longer too dim to require a telescope for viewing. By January 19, it could just be seen with the naked eye in this rural sky with little light pollution from a location about 20 ...

彗星2022 E3 (ZTF)

2022年12月24日 Comet 2022 E3 (ZTF) Image Credit & Copyright: Dan Bartlett Explanation: Comet C/2022 E3 (ZTF) was discovered by astronomers using the wide-field survey camera at the Zwicky Transient Facility this year in early March. Since then the new long-period comet has brightened substantially and is now sweeping across the northern constellation Coron...