AR2835:光球层上的黑子群
2021年07月02日 AR2835: Islands in the Photosphere Image Credit & Copyright: Michael Teoh, Heng Ee Observatory, Penang, Malaysia Explanation: Awash in a sea of incandescent plasma and anchored in strong magnetic fields, sunspots are planet-sized dark islands in the solar photosphere, the bright surface of the Sun. Found in solar active regions, sunspots loo...