SpaceX's Dragon cargo spacecraft
splashed down in the Pacific Ocean about 7:44 p.m. EST Tuesday 259
miles southwest of Long Beach, Calif., with nearly 3,700 pounds of
NASA cargo, science and first-of-its-kind technology demonstration
samples from the International Space Station.
The Dragon spacecraft will be taken by
ship to Long Beach, where some cargo will be removed and returned to
NASA. Dragon will then be prepared for a return trip to SpaceX's test
facility in McGregor, Texas, for processing.
Among the
returned investigations were printed parts and hardware from the
first technology demonstration of 3-D printing in space. The 3-D
printer demonstration used relatively low-temperature plastic
feedstock on the space station. The test phase ended with a printed
ratchet wrench made with a design file transmitted from Earth to the
printer.
Dragon also returned samples, hardware and data from several biology and biotechnology studies performed on the station. The Advancing Membrane Protein Crystallization by Using Microgravity investigation explored the production of high-quality crystals of the cystic fibrosis protein and other closely related proteins. Because many medically relevant proteins are difficult to crystalize on Earth, researchers attempt to grow them in space to help determine their shape and structure with the hope of improving drug therapies for cystic fibrosis, a genetic disorder that causes severe damage to the lungs and digestive system.
Samples from the Advanced Plant Experiments 03-1 will help scientists better understand the effects of microgravity on the development of roots and cells on plant seedlings. Researchers will conduct a detailed analysis of the returned plant samples to determine the molecular and genetic mechanisms that control plant development in microgravity. With this knowledge, scientists may be able to improve agricultural and bioenergy research on Earth, leading to crops that use resources more efficiently.
The Dragon capsule lifted off atop a SpaceX Falcon 9 rocket from Cape Canaveral Air Force Station in Florida on Jan. 10 carrying more than 5,000 pounds of supplies and elements to support 256 scientific investigations and arrived at the orbiting complex two days later on Jan. 12. The mission was the fifth of at least 12 cargo resupply trips SpaceX will make to the orbiting outpost through 2016 under NASA's Commercial Resupply Services contract.
Dragon also returned samples, hardware and data from several biology and biotechnology studies performed on the station. The Advancing Membrane Protein Crystallization by Using Microgravity investigation explored the production of high-quality crystals of the cystic fibrosis protein and other closely related proteins. Because many medically relevant proteins are difficult to crystalize on Earth, researchers attempt to grow them in space to help determine their shape and structure with the hope of improving drug therapies for cystic fibrosis, a genetic disorder that causes severe damage to the lungs and digestive system.
Samples from the Advanced Plant Experiments 03-1 will help scientists better understand the effects of microgravity on the development of roots and cells on plant seedlings. Researchers will conduct a detailed analysis of the returned plant samples to determine the molecular and genetic mechanisms that control plant development in microgravity. With this knowledge, scientists may be able to improve agricultural and bioenergy research on Earth, leading to crops that use resources more efficiently.
The Dragon capsule lifted off atop a SpaceX Falcon 9 rocket from Cape Canaveral Air Force Station in Florida on Jan. 10 carrying more than 5,000 pounds of supplies and elements to support 256 scientific investigations and arrived at the orbiting complex two days later on Jan. 12. The mission was the fifth of at least 12 cargo resupply trips SpaceX will make to the orbiting outpost through 2016 under NASA's Commercial Resupply Services contract.
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