coronal mass ejection
a large-scale solar event involving an ejection of hot plasma that may accelerate charged particles and travel as far as the earth's orbit, preceded by a shock front that may create a magnetic storm on earth. Abbreviation: CME
Words Nearby coronal mass ejection
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use coronal mass ejection in a sentence
Still, she says, coronal mass ejections highlight how important it is to consider what goes on beyond a potentially Earth-like planet’s atmosphere when searching for alien life.
Scientists just spotted a massive storm from a sun-like star | Kate Baggaley | December 10, 2021 | Popular-ScienceStill, coronal mass ejections are observationally elusive, and not everyone is convinced that the team truly spotted one.
Violent space weather could limit life on nearby exoplanets | Paola Rosa-Aquino | December 11, 2020 | Popular-Science
British Dictionary definitions for coronal mass ejection
a cloud of particles ejected from the sun's surface during a solar flare
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for coronal mass ejection
[ kôr′ə-nəl, kŏr′-, kə-rō′nəl ]
A massive, bubble-shaped burst of plasma expanding outward from the Sun's corona, in which large amounts of superheated particles are emitted at nearly the speed of light. The emissions can cause disturbances in the solar wind that disrupt satellites and create powerful magnetic storms on Earth. They were first observed in the early 1970s, when photographs taken from satellites revealed coronal activity that could not be seen in images taken from Earth.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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