microgravity

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Spacelab 3 - STS-51B

STS-51B was the second flight of the European Space Agency's Spacelab, and the first with the Spacelab module in a fully operational configuration. Spacelab's capabilities for multi-disciplinary research in microgravity were successfully demonstrated. The gravity gradient attitude of the orbiter proved quite stable, allowing the delicate experiments in materials processing and fluid mechanics to proceed normally. The crew operated around the clock in two 12-hour shifts. Two squirrel monkeys and 24 rats were flown in special cages,[2] the second time American astronauts flew live non-human mammals aboard the shuttle. The crew members in orbit were supported 24 hours a day by a temporary Payload Operations Control Center, located at the Johnson Space Center.

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Spinal Changes in Microgravity (Canadian, STS-65)

Payload Commander Rick Hieb and Mukai also participated in a Canadian experiment that measures changes to the astronauts' spinal columns. The astronauts also shared Earth views as the Orbiter passed over the South American continent.
STS-65

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Spacelab 3 - STS-51B - Modern Reproduction

STS-51B was the second flight of the European Space Agency's Spacelab, and the first with the Spacelab module in a fully operational configuration. Spacelab's capabilities for multi-disciplinary research in microgravity were successfully demonstrated. The gravity gradient attitude of the orbiter proved quite stable, allowing the delicate experiments in materials processing and fluid mechanics to proceed normally. The crew operated around the clock in two 12-hour shifts. Two squirrel monkeys and 24 rats were flown in special cages,[2] the second time American astronauts flew live non-human mammals aboard the shuttle. The crew members in orbit were supported 24 hours a day by a temporary Payload Operations Control Center, located at the Johnson Space Center.

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PBSNTE Crystal Growth

The primary objective of NASA space shuttle mission STS-87 was experiments in microgravity. Experimentsconducted ranged from combustion in low gravity to the more relative solidificationfurnace AADSF(Advanced Automated Directional Solidification Furnace). This mission grew three samples of Lead-Tin-Telluride (PbSnTe). Thiscompund semiconductor is extremely difficult to grow on Earth due to itssensitivity to motion.

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Life and Microgravity Spacelab (LMS)

LMS was a shuttle mission using the spacelab module to conduct life and microgravity experiments in a weightless environment. Experimenters from all over the world used the spacelab module facilities to conduct a wide variety of experiments from microgravity bubble behavior to protein chrystallization. Experiments also focused on the effects of weightlessness on human physiology and function. Flown on board STS-78

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United States Microgravity Payload 2 (USMP-2)

USMP-2, part of STS-62

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Germany Microgravity Experiments (D1/Spacelab)

German Spacelab D1 (STS-61A)

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United States Microgravity Laboratory 2 (USML-2)

The second United States Microgravity Laboratory (USML-2) Spacelab mission was the prime payload on STS-73. The 16-day flight continued a cooperative effort of the U.S. government, universities and industry to push back the frontiers of science and technology in "microgravity", the near-weightless environment of space.
Some of the experiments carried on the USML-2 payload were suggested by the results of the first USML mission that flew aboard Columbia in 1992 during STS-50. The USML-1 mission provided new insights into theoretical models of fluid physics, the role of gravity in combustion and flame spreading, and how gravity affects the formation of semiconductor crystals. Data collected from several protein crystals grown on USML-1 enabled scientists to determine the molecular structures of those proteins.
USML-2 Built on that foundation. Technical knowledge gained was incorporated into the mission plan to enhance procedures and operations. Where possible, experiment teams refined their hardware to increase scientific understanding of basic physical processes on Earth and in space, as well as to prepare for more advanced operations aboard the International Space Station and other future space programs.

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