SOHO / ESA / NASA / SCIENCE PHOTO LIBRARY SOHO / ESA / NASA / SCIENCE PHOTO LIBRARY
Timelapse coronagraph video of a large coronal mass ejection (CME) erupting from the Sun and heading straight towards Earth. This event occurred on 9th October 2021. It was an M1.6-class solar flare in the magnetic canopy of sunspot AR2882, and was the first CME directed at Earth in Solar Cycle 25, as the Sun emerged from the quiet part of its 11-year activity cycle. SOHO recorded the storm cloud coming almost straight toward it and Earth. This is called a halo CME as it seems to form a 360-degree halo around the Sun. CMEs that strike Earth can cause geomagnetic storms, bright low-latitude aurorae and can damage electrical equipment.
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