释义 |
coronal mass ejection
coronal mass ejectionn. 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 coronal mass ejection
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. See CME See CME |