Descrizione : Black and Diffuse Aurora Science Surveyor mission : NASA sounding rocket launched from Poker Flat Research Range on Feb 9.
The University of Alaska Fairbanks Geophysical Institute owns Poker Flat, located at Mile 30 Steese Highway, and operates it under a contract with NASA’s Wallops Flight Facility, which is part of Goddard Space Flight Center.
Black auroras form when streams of auroral particles temporarily thin or shut off in small regions of the upper atmosphere, creating well-defined dark shapes within the broader glow of a diffuse aurora. Diffuse auroras themselves are typically faint and spread over large areas.
Black auroras look as though pieces of the aurora have been erased. These dark structures drift and evolve along with the surrounding aurora.
The GNEISS mission to know how the current spreads downward through the atmosphere. This is a CT scan of the Auroras. 2 Sounding rockets launched on Feb 10. ( 3 NASA rockets with 2 stages )

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Black and Diffuse Aurora Science Surveyor mission

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