Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

2004 May 30
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Astronaut at Work
Credit: STS-101 Crew, NASA

Explanation: Did you ever have a day where everything got turned around and you just couldn't tell which way was up? Fortunately, this didn't happen to astronaut James S. Voss on 2000 May 21, who spent six hours preparing to fix and upgrade the International Space Station. Voss is shown above anchored in the clutches of Space Shuttle Atlantis' mechanical arm, maneuvering outside the shuttle's cargo bay high above planet Earth. This space walk was the 85th in US history and the fifth dedicated to the construction of the International Space Station. The STS-101 mission returned after successfully replacing the station's batteries, lifting the station into a higher orbit, and replenishing needed supplies.

Tomorrow's picture: saturn ahead

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