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Dragon Completes Cargo Return Mission with Splashdown in Pacific

3 Jun 2019, 21:54 UTC
Dragon Completes Cargo Return Mission with Splashdown in Pacific
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The SpaceX Dragon resupply ship is pictured moments before its release from the International Space Station’s Canadarm2 robotic arm. Credit: @Astro_DavidS
SpaceX‘s Dragon cargo spacecraft splashed down in the Pacific Ocean at 5:48 p.m. EDT (2:48 p.m PDT), approximately 202 miles southwest of Long Beach, California, marking the end of the company’s 17th contracted cargo resupply mission to the International Space Station for NASA. The spacecraft returned more than 4,200 pounds of valuable scientific experiments and other cargo.
Some of the scientific investigations Dragon returned to Earth include:
Observing Protein Crystal Growth
NASA’s Biophysics-6 experiment looks at the growth of two proteins of interest in cancer treatment and radiation protection. Scientists are using ground-based predictions and in-space X-ray crystallography to determine which proteins benefit from crystallization in microgravity, where some proteins can grow larger and with fewer imperfections.
Microalgae Biosynthesis in Microgravity
Microalgae Biosynthesis in Microgravity (MicroAlgae) studies the effects of microgravity on Haematococcus pluvialis, an algae capable of producing a powerful antioxidant, astaxanthin. It could provide a readily available dietary supplement to promote astronaut health on long-duration space exploration missions. A community college student and alumnae of the NASA Community College Aerospace Scholars (NCAS) program proposed the research, and ...

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