MrMBB333: July 23, 2017: A massive solar eruption has recently been detected by Sun orbiting spacecraft. The rare storm left the sun surface at unbelievable speeds reaching several million mph!
https://sohodata.nascom.nasa.gov/cgi-...
nemesis maturity: Early on 23 Jul, STEREO-A COR2 imagery observed a pair of fast-moving CMEs off the NE and SE limbs with the second resulting in an asymmetric halo signature.
nemesis maturity: Early on 23 Jul, STEREO-A COR2 imagery observed a pair of fast-moving CMEs off the NE and SE limbs with the second resulting in an asymmetric halo signature.
In addition, both LASCO C2 and C3 imagery observed a full-halo CME. The location of these events place them near dead center on the backside of the disk with no Earth-directed component
expected.
Coronal mass ejections (CMEs) are gigantic bubbles of electrified gas that billow away from the Sun. They can carry as much as 10 billion tons of solar material and trigger spectacular geomagnetic storms if they hit Earth's magnetosphere. CMEs, which usually travel at speeds between 500 and 1500 km/s, take 2 or 3 days to cross the 150 million km divide separating the Sun and Earth.
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