The Space Shuttle Columbia gets a flyby visit from the Comet Hale-Bopp while awaiting launch on the STS-83 mission.

The soon-to-be-spaceborne Space Shuttle Columbia gets a flyby visit from the Comet Hale-Bopp (shown as the streak at left center) while awaiting launch on the STS-83 mission. This photo was taken the night before the planned liftoff on April 4, 1997. The Rotating Service Structure at Launch Pad 39A has been moved back prior to the start of operations to fuel the external tank. The primary objective of the STS-83 flight is to operate the Microgravity Science Laboratory-1 (MSL-1), which will test some of the hardware, facilities and procedures that will be used on the International Space Station. Columbia will have a crew of seven