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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. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| These provide unusual views of the sun, highlighting phenomena such as solar flares, sunspots, and coronal mass ejections. Coronal mass ejections, which are solar explosions that can equal one million 100-megaton bombs, and solar flares send waves of energy toward Earth. Coronal mass ejections (CMEs), in which the sun spews huge magnetic clouds, erupt several times a day. |
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