NASAのインスタグラム(nasagoddard) - 11月3日 06時30分

Cloud vortices off Heard Island, south Indian Ocean.

The Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA’s Aqua satellite captured this true-color image of sea ice off Heard Island on Nov 2, 2015 at 5:02 AM EST (09:20 UTC). A cloud vortex- the circular pattern seen here- is produced by the flow of air in the atmosphere. Heard Island (visible in the lower right portion of the image) is located in the Indian Ocean, about two-thirds of the way from Madagascar to Antarctica. The island is uninhabited by humans, although it is home to many birds and seals. Heard Island is rugged and mountainous, and is mostly covered with ice. It is also home to an active volcano, Mawson Peak. The island has been a territory of Australia since 1947.

Credit: NASA/Goddard/Jeff Schmaltz/MODIS Land Rapid Response Team #nasagoddard

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