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Coronal mass ejection, 20 January 2005

Coronal mass ejection, 20 January 2005


Date: 28 August 2014
Satellite: SOHO
Depicts: LASCO C2 image of the Sun's corona on 20 January 2005
Copyright: SOHO (ESA & NASA)

A coronal mass ejection (CME) detected by SOHO's LASCO C2 camera at 06:54 UT on 20 January 2005. The CME can be seen at the 2 o'clock position. Subsequent studies have shown that this was one of the fastest CME's during solar cycle 23, with a velocity that peaked at about 3000 km/s at a distance of between 3 and 50 solar radii, before slowing to 1000 km/s as it approached Earth. The typical speed of particles in the solar wind is 400-700 km/s.

Last Update: 1 September 2019
9-Aug-2020 02:38 UT

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https://sci.esa.int/s/8dL6Jz8

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