prominence

形似埃菲尔铁塔的日珥

作者： NASA中文 / 2022年2月16日

2022年2月16日 Eiffel Tower Prominence on the Sun Video Credit & Copyright: Hawk Wolinski Explanation: What’s that on the Sun? Although it may look like a flowing version of the Eiffel Tower, it is a solar prominence that is actually much bigger — about the height of Jupiter. The huge p […]

天文·每日一图

镶日珥的半遮太阳

作者： NASA中文 / 2020年11月2日

2020年11月2日 Half Sun with Prominence Image Credit & Copyright: Rainee Colacurcio Explanation: What’s happening to the Sun? Clearly, the Sun’s lower half is hidden behind a thick cloud. Averaging over the entire Earth, clouds block the Sun about 2/3rds of the time, although much less