From the vantage point of the International Space Station, astronauts frequently observe atmospheric and surface phenomena in ways that are impossible to view from the ground. Two such ... more 
From the vantage point of the International Space Station, astronauts frequently observe atmospheric and surface phenomena in ways that are impossible to view from the ground. Two such phenomena—gravity waves and sunglint—are illustrated in this photograph of northeastern Lake Superior. (June 24). (William L. Stefanov (Jacobs/JETS) and Michael H. Trenchard (Barrios/JETS), NASA Johnson Space Center) less 
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Yahoo News | Photo By William L. Stefanov (Jacobs/JETS) and Michael H. Trenchard (Barrios/JETS), NASA Johnson Space Center / NASA
Tue, Jul 23, 2013 6:00 PM EDT