NASA’s Solar Dynamics Observatory released a photo showing a massive coronal hole forming in the sun’s atmosphere, ejecting a stream of fast-moving solar winds toward Earth.
“The current coronal hole, the big one right now, is about 300,000 to 400,000 kilometers across,” Alex Young, the associate director for science at NASA Goddard’s Heliophysics Science Division, told Bussiness Insider. He said, “that’s about 20-30 Earths lined up back-to-back.”
Young said coronal holes unleash solar winds that can travel between 500-800 km per second. He explained the coronal mass ejection would reach Earth by Friday.
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