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APOD
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.
Beefing Up the International Space Station
Explanation: The International Space Station (ISS) will be the largest human-made object ever to orbit the Earth . The station is so large that it could not be launched all at once -- it is being built piecemeal with large sections added continually by flights of the Space Shuttle . To function, the ISS needs trusses to keep it rigid and to route electricity and liquid coolants. These trusses are huge, extending over 15 meters long, and with masses over 10,000 kilograms. Pictured above at the end of last month, astronaut Michael Lopez-Alegria works to install the Port-One Truss . On the right is the end of Canadarm2 , the robotic remote control arm of the ISS .
| Date | December 17, 2002 |
|---|---|
| Credit | Credit: STS-113 Shuttle Crew , NASA |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |