Official caption from NASA: There is no caption offered by NASA for this photo.
What are we looking at? Outside the window during a photograph taken by the crew of STS-88, is a mysterious unidentified object. Could this be space junk? The famed Black Knight Satellite?
Download the high resolution photo below for analysis.
![Black Knight Satellite? Mysterious craft looking object in NASA photo](https://www.theblackvault.com/casefiles/wp-content/uploads/2015/03/High-resolution-photo1-300x300.jpg)
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