coronal mass ejection


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coronal mass ejection

n.
A very large emission of plasma from the sun that disrupts the flow of the solar wind, sometimes interfering with the operation of artificial satellites, electronic communications, and electric power transmission on Earth.

coronal mass ejection

n
a cloud of particles ejected from the sun's surface during a solar flare
References in periodicals archive ?
Nov 12/13: Kp 4, indirect coronal mass ejection (CME) arrived about 23:00, aurora over Scandinavia (see Spaceweather.
The breakthrough means scientists will hopefully be able to look out for solar storms known as Coronal Mass Ejection (CME) as they move out from the sun towards the earth and avoid the havoc they can cause.
Each STEREO craft has five telescopes that can view a coronal mass ejection at various points along its path.
It takes roughly 36 hours after a coronal mass ejection to get here, about the same time as priority mail," Flinn said.
Superheated gas and energy, called a coronal mass ejection, exploded from the Sun's surface travelling at five million miles per hour.
We were perhaps lucky to have not been directly in line with the coronal mass ejection," he said.
In an 1860 eclipse, astronomers witnessed what is believed to be the first recorded coronal mass ejection the giant clouds of solar material that can erupt off the sun and travel through space.
Earth experienced a geomagnetic storm on June 22, 2015 due to the arrival of an Earth-directed coronal mass ejection, or CME, from June 20.
The agency said that the initial solar radio observations suggest a coronal mass ejection (CME) was likely associated with this even, but any transient would not likely have a trajectory directly at Earth, and that more analysis will be conducted as more data becomes available.
The NOAA report also notes that a coronal mass ejection (CME) was associated with this event, becoming visible to the STEREO Behind satellite at 17:10.
The eruption, known as a coronal mass ejection, led to a "massive amount of solar particles heading towards Earth".