流星与极光
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perseid
天文·每日一图
土星：1993年-2022年
2022年8月19日 Saturn: 1993 – 2022 Image Credit & Copyright: Tunc Tezel (TWAN) Explanation: Saturn is the most distant planet of the Solar System easily visible to the unaided eye. With this extraordinary, long-term astro-imaging project begun in 1993, you can follow the ringed gas giant for
天文·每日一图
满月与英仙座流星
2022年8月18日 Full Moon Perseids Image Credit & Copyright: Juan Carlos Casado (Starry Earth, TWAN) Explanation: The annual Perseid meteor shower was near its peak on August 13. As planet Earth crossed through streams of debris left by periodic Comet Swift-Tuttle meteors rained in northern summer n