solar prominence

SOHO卫星拍摄的日珥

作者： NASA中文 / 2022年1月30日

2022年1月30日 A Solar Prominence from SOHO Image Credit: NASA, ESA, SOHO-EIT Consortium Explanation: How can gas float above the Sun? Twisted magnetic fields arching from the solar surface can trap ionized gas, suspending it in huge looping structures. These majestic plasma arches are seen as prominenc […]

天文·每日一图

太空站、日珥与太阳

作者： NASA中文 / 2021年5月4日

2021年05月04日 Space Station, Solar Prominences, Sun Image Credit & Copyright: Mehmet Ergün Explanation: That’s no sunspot. It’s the International Space Station (ISS) caught passing in front of the Sun. Sunspots, individually, have a dark central umbra, a lighter surrounding penumbra,