Coronal Mass Ejections (CMEs) and flares are the largest eruptive phenomena in our solar system that are characterised by powerful outbursts of plasma and energy.
What is Geomagnetic storm that is expected to hit Earth today? - Geomagnetic storms are major disturbances of Earth s magnetosphere caused by a massive exchange of energy from solar wind into the space environment.
Watch 25 Years of Solar Cycles in One Incredible Video
NANCY ATKINSON, UNIVERSE TODAY
13 DECEMBER 2020
For a quarter of a century, the ESA-NASA Solar and Heliospheric Observatory (SOHO) has been essential in helping scientists understand the heart of our Solar System, the Sun.
The SOHO mission launched 25 years ago this week, and to celebrate, ESA compiled a wonderful mosaic of images, and NASA put together a remarkable SOHO greatest hits timelapse video. SOHO has been a cornerstone of modern solar physics and launched many careers, including my own, said professor Peter Gallagher, Director of Dunsink Observatory in Dublin Ireland, and Head of Astrophysics at the Dublin Institute for Advanced Studies (DIAS).