The Sun’s outflow is supposed to be a one-way trip, with charged particles streaming steadily into interplanetary space. Now NASA’s Parker Solar Probe has caught that flow doing something far stranger ...
Parker Solar Probe reached "perihelion," the nearest point to the sun in its orbit, on Dec. 13, 2025. Credit: ASA / Johns Hopkins APL / Steve Gribben illustration A NASA spacecraft is making a close ...
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