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| Co-Orbital: The International Space Station (above, trailing) and the Space Shuttle Discovery (below, leading) move along the same orbital trajectory, but separated by about 250 miles, a day after the shuttle departed the station during flight STS-128. During this 15-second exposure from Charlestown MA, the two spacecraft were setting in the northeastern sky. | This large image may load slowly. Click here for a standard-size image of Co-Orbital |
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