Aurora in Central Alaska on February 2, 2019
Detailed Description
Photo of an aurora in central Alaska taken at 09:11 UTC on February 2, 2019 by Aaron Lojewski near Poker Flat
Sources/Usage
used with permission from Aaron Lojewski and Carl Tape
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Auroras and Earthquakes: Strange Companions
Release Date: JULY 6, 2020 In 1722 and 1723 a London clockmaker, George Graham, observed daily and consistent variations on one of his instruments, a “Needle upon the Pin” (a compass), for which he had no explanation. Swedish scientists obtained some of Graham’s instruments to record what is now known to be the variations in Earth’s magnetic field. In 1741, they noticed a significant deflection of...
Related
Natural Hazards Photo Round-up
Featured photos from across the Natural Hazards Mission Area within the past 3 months.
Auroras and Earthquakes: Strange Companions
Release Date: JULY 6, 2020 In 1722 and 1723 a London clockmaker, George Graham, observed daily and consistent variations on one of his instruments, a “Needle upon the Pin” (a compass), for which he had no explanation. Swedish scientists obtained some of Graham’s instruments to record what is now known to be the variations in Earth’s magnetic field. In 1741, they noticed a significant deflection of...