File:Circles in Thin Ice, Lake Baikal, Russia.jpg

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Original file ‎(1,440 × 960 pixels, file size: 793 KB, MIME type: image/jpeg)

Summary

Description
English: This image, a detailed astronaut photograph, shows a circle of thin ice (dark in color, with a diameter of about 4.4 kilometers); this is the focal point for ice break up in the very southern end of the lake.
Date
Source NASA Earth Observatory
Author Image provided by the ISS Crew Earth Observations experiment and Image Science & Analysis Laboratory, Johnson Space Center.

This image was taken with a Nikon 2DXs digital camera fitted with a 400mm lens.

Licensing

Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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Captions

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Items portrayed in this file

depicts

inception

20 April 2009

exposure time

0.000625 second

focal length

400 millimetre

MIME type

image/jpeg

checksum

d3ee42c7b7ad4fc5334a52a5dff7dee4c4803fd8

determination method: SHA-1

data size

811,930 byte

height

960 pixel

width

1,440 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current13:01, 12 April 2010Thumbnail for version as of 13:01, 12 April 20101,440 × 960 (793 KB)Originalwanacolour corrected
23:30, 24 May 2009Thumbnail for version as of 23:30, 24 May 20091,440 × 960 (376 KB)Originalwana{{Information |Description={{en|1=This image, a detailed astronaut photograph, shows a circle of thin ice (dark in colour, with a diameter of about 4.4 kilometres); this is the focal point for ice break up in the very southern end of the lake. }} |Source=
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