An early forecast from the NOAA, suggested that the northern lights could be visible much farther south than usual
, suggested that the northern lights could be visible much farther south than usual this week. But that forecast was based on long-term predictions about the solar activity responsible for the display. Forecasts using more current data from NOAA predict nothing special for the U.S.
For those in range, seeking out clear, dark skies between 9 p.m. and 3 a.m. will give the best chance to see the aurora’s colorful glow.The northern lights happen when particles from the sun make their way toward Earth and collide with our planet’s atmosphere. This puts the atoms and molecules in an excited state. They shake off some of that energy in the form of light, creating the colorful displays of greens, blues, pinks and reds.“There are solar storms where you get more particles than usual. It’s windier than usual,” Blazek said. “There’s also periods when it’s fairly quiet.”
Sometimes, the sun also shoots out huge amounts of plasma in what’s known as a coronal mass ejection, Brasher said. If one of these outbursts hits Earth, even in a “glancing blow,” it can disturb our planet’s magnetic field and also cause shimmering auroras.Scientists are constantly monitoring the sun using telescopes on Earth and in space in part because space weather can impact radio communications, satellites, power grids and more, Brasher said.
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