STS-93 Payload Bay Door Closure
At Launch Pad 39B, the Space Shuttle Columbia's payload bay doors close
around the Chandra X-ray Observatory inside, while workers monitor the
activity. The combined Chandra/Inertial Upper Stage, seen here, measures
57 feet long and weighs 50,162 pounds. Fully deployed with solar arrays
extended, the observatory measures 45.3 feet long and 64 feet wide.
credit: NASA GRIN Image# 99PP-0854
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