Solar Flare
Long-lived sunspot AR1967 returned to the Earthside of the sun on Feb. 25th and promptly erupted, producing an X4.9-class solar flare. This is the strongest flare of the year so far and one of the strongest of the current solar cycle.
Earth isn't totally out of the woods yet, however. This region of the sun is set to rotate more fully into view of Earth over the next week, according to officials with the NOAA-led Space Weather Prediction Centre.
X-class solar flares are the most powerful kinds of solar storms. If directed at Earth, last night's solar flare could have caused a serious geomagnetic storm, created when charged particles slam into the planet's magnetic field. When aimed at Earth, strong solar flares can harm satellites and astronauts in orbit around Earth. A powerful solar flare delayed the launch of a private cargo ship to the International Space Station in January.
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