coronal mass ejection


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coronal mass ejection

[kə‚rōn·əl ′mas i‚jek·shən]
(astronomy)
A bubble of gas threaded with magnetic field lines, with dimensions of up to hundreds of thousands of miles, that is ejected from the solar corona over the course of several hours and can disrupt the solar wind, resulting in a geomagnetic storm.
References in periodicals archive ?
Scientists suspect that the coronal mass ejection changed shape--from a smooth crescent to a wavy one--because it interacted with the solar wind.
Coronal mass ejections - CMEs to avid sky watchers - are rated for intensity on an A to Z scale, with A being the weakest and Z being the most intense.
The organisation said: 'This explosion hurled a coronal mass ejection (CME) almost directly toward Earth, which could trigger bright aurorae when the material reaches us in about a day.
The impact of the coronal mass ejection represents another weakening in investors' faith in the global financial system.
Coronal mass ejections (CMEs), in which the sun spews huge magnetic clouds, erupt several times a day.
The mysterious Chaco Canyon civilization may have captured a total solar eclipse from 1,000 years ago by carving an image of the blocked-out sun and coronal mass ejections into rock.
The eruption, known as a coronal mass ejection (CME), has led to a "massive amount of solar particles heading towards Earth", which are due to pass the planet this morning, a spokesman for the Met Office said.
Well, if the Government are looking for a really nasty scenario, then how about universal cooling coupled with a global pandemic, and a coronal mass ejection (CME) with these events occurring roughly all at the same time, and that is something to be frightened about
Recently coronal mass ejection (CME) and solar energetic particles (SEPs) have received a significant amount of study, thanks the peculiarities of solar cycle 23 and to new orbiting and ground-based systems.
Fortunately the burst, known as a coronal mass ejection (CME), erupted in-between Apollos 16 and 17, so no astronauts were harmed.
The huge cloud of magnetic gas, called a coronal mass ejection (CME), weighs one thousand million tons and is travelling towards Earth at five million miles per hour.