太阳的日冕环
Four images of the Sun’s edge are shown. In each a loop of bright material is captured above the Sun’s surface. Please see the explanation for more detailed information.
图中展示了四张太阳边缘的图像。每张图像都捕捉到了太阳表面上方一个明亮的日冕环。有关更多详细信息，请参阅说明。
magnetic field
天文·每日一图
星系NGC 5775的垂直磁场
2021年01月27日 The Vertical Magnetic Field of NGC 5775 Image Credit: NRAO, NASA, ESA, Hubble; Processing & Text: Jayanne English (U. Manitoba) Explanation: How far do magnetic fields extend up and out of spiral galaxies? For decades astronomers knew only that some spiral galaxies had magnetic fiel
天文·每日一图
涡状星系的磁场
2021年01月20日 The Magnetic Field of the Whirlpool Galaxy Image Credit: NASA, SOFIA, HAWC+, Alejandro S. Borlaff; JPL-Caltech, ESA, Hubble; Text: Jayanne English (U. Manitoba) Explanation: Do magnetic fields always flow along spiral arms? Our face-on view of the Whirlpool Galaxy (M51) allows a spectacu