
Image: Orbital Test Vehicle-1, sister ship to the one now on orbit, returns from the first flight in the X37-B test program under cover of darkness on Dec. 3, 2010. Credit: U.S. Air Force
The U.S. military’s secret spaceplane, a robotic demonstrator version of a next-generation space shuttle, has been spotted by astronomers. It flashed. SpaceWeather.com got the story.
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