A brief eruption of intense high-energy radiation from the sun's surface, associated with sunspots and causing radio and magnetic disturbances on the earth.
〔天文〕太阳耀斑；日晕，日辉
Example sentencesExamples
Many magnetic storms occurred in tandem with reports of solar flares or of large sunspot regions near the Sun's equator.
The severe weather on Earth is likely related to sunspots and solar flares on the sun.
The intense X rays from a solar flare travel to Earth at the speed of light, giving space weather watchers little time to react.
A solar flare or burst in cosmic radiation would eventually kill humans unless a greater level of protection can be provided.
Initial radiation from the solar flares - radio waves, visible light and X-rays - traveled at light-speed, well ahead of the clouds of charged particles.
Definition of solar flare in US English:
solar flare
nounˈsōlər fle(ə)rˈsoʊlər flɛ(ə)r
Astronomy
A brief eruption of intense high-energy radiation from the sun's surface, associated with sunspots and causing electromagnetic disturbances on the earth, as with radio frequency communications and power line transmissions.
〔天文〕太阳耀斑；日晕，日辉
Example sentencesExamples
Initial radiation from the solar flares - radio waves, visible light and X-rays - traveled at light-speed, well ahead of the clouds of charged particles.
The severe weather on Earth is likely related to sunspots and solar flares on the sun.
The intense X rays from a solar flare travel to Earth at the speed of light, giving space weather watchers little time to react.
A solar flare or burst in cosmic radiation would eventually kill humans unless a greater level of protection can be provided.
Many magnetic storms occurred in tandem with reports of solar flares or of large sunspot regions near the Sun's equator.