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The solar wind's secret hammerheads and what they tell us about heat in space
- May 28, 2026 at 8:00 PM
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The proton sharks showed up on a Friday. In a routine data calibration meeting for NASA's Parker Solar Probe in 2020, a small group of scientists were scrolling through visualizations of their data showing solar winds. Suddenly, a weird shape flashed on the screen: Instead of the usual rounded blob of solar-wind protons, this distribution had a long, flattened, head-like structure jutting out to one side.
Originally published at Phys.org