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Coronal Mass Ejections

Our planet is surrounded by an invisible magnetic field, that protects the Earth from harmful radiation from space, most of which comes from the Sun (see Figure 2). The magnetic field of the Earth is very stable and does not change much over time. The Sun also has a magnetic field but unlike that of the Earth, its magnetic field is erratic. It is composed of many magnetic poles whose position and strength are changing constantly. 




In this laboratory, students study the Sun's coronal mass ejections evolution in time-separated images taken with the SOHO/LASCO images.

Thanks to the Solar Orbiter team for their support.


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