STS-51B

**STS-51B**
Organization	NASA-OfficeofSpaceScienceApplications(UnitedStates),NASA-Office of Space Flight (United States)
Mission type	Earth Science,Human Crew,Life Science,Microgravity,Planetary Science,Solar Physics,Space Physics
Launch date	April 29, 1985
Launch vehicle	Space Shuttle
Launch site	Cape Canaveral, United States
COSPAR ID	1985-034A
Inclination	57 degrees
Experiments	Here
Alternate Names	STS 17,Spacelab 3,15665
Additional Information	Here
Data Collection	Here
Payload Mass Up	14500 kg
Payload Mass Down	14228.18 kg
Orbiter	Challenger
Lift Off Mass	2,050,913.18 kg
Orbiter Weight at Liftoff	kg
Orbiter Weight at Landing	96,575.00 kg
Landed	Runway 17 dry lake bed at Edwards Air Force Base, Calif.
Orbits of Earth	110
Orbital Altitude	193 nautical miles (222 statute miles)

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[edit] Crew

Commander: Robert F. Overmyer
Pilot: Frederick D. Gregory
- Payload Commander:
- Mission Specialist 1: Don Leslie Lind
- Mission Specialist 2: Norman E. Thagard
- Mission Specialist 3: William E. Thornton
- Mission Specialist 4:
- Mission Specialist 5:
- Payload Specialist 1: Taylor E. Wang
- Payload Specialist 2: Lodewijk van den Berg

ISS/Mir Crew Transport

[edit] Mission

The first dedicated mission with acquisition of science data as its primary objective, Spacelab 3 was a multidisciplinary mission emphasizing investigations requiring the low-gravity environment of Earth orbit. The experiments covered several disciplines. For the materials processing discipline, higher-quality crystals were grown by two methods; namely, seed crystal growth in a saturated solution and condensation from the vapor phase. The two fluid physics experiments studied the dynamic behavior of rotating and oscillating liquid drops, and the convection processes found in planetary atmospheres and in stellar interiors. The performance of equipment and facilities specially designed for investigations on the Spacelab Life Sciences mission series was evaluated. The investigations selected for the Spacelab 3 mission originated in the United States, France, and India, and represented a total of five different disciplines, including material science, life sciences, fluid mechanics, atmospheric science, and astronomy. Two of the investigations, one in material science and one in astronomy, had already flown aboard Spacelab 1. Many of the Spacelab 3 investigations were scheduled to be modified and reflown on later missions to further explore the discoveries of this mission. Some of the experiments were located in the module, some on the pallet in the payload bay, and one at middeck. Spacelab 3 consisted of a Spacelab long module and a pallet. The mission successfully demonstrated the capability of Spacelab for multidiscipline research in microgravity.

[edit] EVA

[edit] Payload

Spacelab-3 experiments in habitable Spacelab and mission peculiar experiment support structure. The experiments represented a total of five different disciplines: materials processing in space, environmental observations, life science, astrophysics, and technology experiments; two getaway specials (GAS). The flight crew was split into gold and silver shifts working 12-hour days during the flight.

Mission patch: