“We haven’t always been able to observe these things easily,” NASA Huntsville solar scientist Mitzi Adams said. “I suspect they’ve been happening all the time. We just haven’t been able to see them.” Learn more:
this week’s solar tornado
“It’s really just a prominence,” Adams said, “and prominences are loops of magnetic field that contain plasma.” They can spin within the magnetic field that holds them, but too much twisting and the field releases. “Then you have an ejection of particles that may or may not escape from the Sun,” Adams said, “and you could have a coronal mass ejection.”
Today, even amateur telescopes can be large and sophisticated and more of us can see more of what’s out there. “I wouldn’t go so far as to say it’s the biggest one ever,” Adams said of this prominence, “but it might have been the biggest one that we’ve observed in a while.”
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