镶日珥的半遮太阳
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 over many land locations. On the Sun’s upper right is ...