WASHINGTON, Aug. 20 (UPI) --
A NASA video posted to YouTube depicts a UFO outside the International Space Station that turned out to be an antenna shield.
The agency said astronaut Chris Cassidy captured video of the object passing near the Progress cargo ship while it was docked at the station Monday and reported it to NASA, RIA Novosti reported Tuesday.
Russian specialists identified the object as an antenna shield from the ISS' Zvezda Russian module.
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