Heard Island stands as a small drumstick-shaped patch of rock and snow amidst a vast expanse of clouds. Ten vortices form black voids similar to what we might see near the drain in a bathtub.
Heard Island is located in the southwestern Indian Ocean and only accessible by boat, the small volcanic island is situated 4,000 kilometers southwest of Western Australia, 4,700 kilometers southeast of Africa, and 1,000 kilometers north of Antarctica.
[NASA captured 10 mysterious dark voids over Heard Island near Antarctica]
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#VonKarmanVortices form when fast-moving winds encounter an obstacle, such as an island or mountain, disrupting airflow and creating alternating spinning eddies on either side.
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[Original post on gluck.cc]