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Lake Baikal
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Lake Baikal

May 15, 2014
In this late afternoon shot, the crew aboard the International Space Station (ISS) looked back toward the setting Sun and captured the hook-shaped southern half of Lake Baikal in eastern Russia. Most of the lake is covered with dull gray ice. The brightest point in the image is the reflection of the Sun’s rays off a small zone of open water where the ice has begun to melt. Broken ice masses appear adjacent to the sunglint point. Sunlight also reflects off the water surface of the straight Angara River, the main outlet of the lake.

Lake Baikal is 636 kilometers long (395 miles). It is the deepest lake in the world and by volume holds the largest amount of fresh water. Large smoke palls from wildfires appear on the top and upper right of the image. Smaller, individual smoke plumes arc away from the north shore of the lake (image top left), perhaps from factories, fires, or other infrastructure. You can see a wider view of the same area, captured at nearly the same time, from the Aqua satellite.

Astronaut photograph ISS039-E-14821 was acquired on April 22, 2014, with a Nikon D3S digital camera using a 145 millimeter lens, and is provided by the ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center. The image was taken by the Expedition 39 crew. It has been cropped and enhanced to improve contrast, and lens artifacts have been removed.

Credit: NASA, Caption by M. Justin Wilkinson, Jacobs at NASA-JSC



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