This 1st CME fly-through might have also validated a 2-decade-old theory about our host star.
When they did, they found the CME blew dust away along an approximately 6-million-mile-long path from the sun. Guillermo Stenborg, an astrophysicist at Johns Hopkins University’s Applied Physics Laboratory and lead author of the paper, compared the observed effect to a vacuum cleaner. And just like a freshly vacuumed room, the gap in interplanetary dust quickly filled in with yet more interplanetary dust.
Whether all CMEs clean up dust in this way remains an open question. Since astronomers have only ever observed the phenomenon with this one 2022 event, Stenborg and colleagues believe that only the most powerful CMEs may be responsible for such tidying up., and Parker as well as other observatories may get more opportunities to observe these fearsome CMEs.
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