After seven years of relative calm, the sun is set to become more temperamental—and a fleet of sun-gazing spacecraft are ready to watch as it awakens
The new work comes with caveats that mean the case is not yet closed, including the fact that campfires occur in quiet solar regions and tend to dump heat low in the solar atmosphere, whereas nanoflares occur higher up and are especially powerful in active regions. Still, the observations from Solar Orbiter are helping scientists to better understand the phenomenon.
Simultaneously, NASA’s Parker Solar Probe is snuggling up extremely close to the sun—even swooping in and out of its upper atmosphere—which means it will have a front-row seat as solar cycle 25 unfolds. For the first time, scientists will be able to study the sun from up close as it shakes off its slumber, connecting the information from Parker Solar Probe with the tendrils of solar activity that stretch all the way back to Earth.
This next eclipse will look different than the one that took eclipse chasers by storm in 2017. Although that event was visible across unusually large portions of the U.S., it occurred as solar activity was waning, meaning one of the main draws of an eclipse—a view of the corona—was rather modest.
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