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STS-121 Shuttle Mission Imagery
Setting sun and thin blue airglow line at Earth`s horizon
high res (1.1 M) low res (34 K)
S121-E-07932 (15 July 2006) --- A setting sun and the thin blue airglow line at Earth's horizon were captured in this image photographed by an STS-121 crewmember aboard the Space Shuttle Discovery.

Curator: Kim Dismukes | Responsible NASA Official: John Ira Petty | Updated: 07/17/2006
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