周期彗星斯威夫特-塔特尔
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标签： 彗星
库内第采城堡上空的奥伯斯彗星
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全食日与彗星
中央显示的是2024年4月8日的日全食。另外还可以看到两颗彗星和两颗行星，分别被标记为12P、水星、SOHO-5008和金星。这两颗彗星在两幅插图中以展开的形式显示在顶部。有关更多详细信息，请参阅说明。
庞士-布鲁克斯彗星多变的离子尾
这张由8张从上到下的庞士-布鲁克斯彗星照片组成的序列，显示了彗星及其在 9 天内不断变化的彗尾。离子尾在每张图像中看起来非常不同，有时比其他时候要复杂得多。有关更多详细信息，请参阅说明。
庞士-布鲁克斯彗星的离子尾
图中显示了一颗大彗星，其头部靠近右侧，浅蓝色的离子尾流穿过图像的其余部分。有关更多详细信息，请参阅说明。
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...
NASA的詹姆斯·韦伯太空望远镜在罕见的主带彗星中发现了水和一个新的谜团
利用韦伯的NIRSpec（近红外光谱仪）仪器，天文学家首次证实了在主小行星带的一颗彗星周围存在气体——特别是水蒸气，这表明原始太阳系的水冰可以保存在该区域。
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...