2024-04-09 NASA

Precipitating electron spectra measured inside the aurora at one millisecond time resolution using the APES instrument on the Visualizing Ion Outflow via Neutral Atom Sensing-2 (VISIONS-2) sounding rocket flight. This entire plot covers a period of 300 milliseconds. The slanted red stripes in the middle of the figure are on the order of 10 milliseconds apart.
Image credit: NASA GSFC
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