Three new astronauts join key research on ISS

Washington, Dec 16 (IANS) With the opening of hatches between the International Space Station (ISS) and an arriving Soyuz spacecraft, three new Expedition 46 astronauts joined the three ISS residents to continue key research that advances NASA’s journey to Mars while making discoveries that can benefit humanity.

Tim Kopra of NASA, Russian Federal Space Agency (Roscosmos) cosmonaut Yuri Malenchenko and ESA (European Space Agency) astronaut Tim Peake were launched from the Baikonur Cosmodrome in Kazakhstan, and after orbiting Earth four times, manually docked to the station on Tuesday.

The trio join Commander Scott Kelly of NASA and flight engineers Sergey Volkov and Mikhail Kornienko of Roscosmos.

During more than five months on humanity’s only microgravity laboratory, the Expedition 46 crew members will conduct over 250 science investigation in fields including biology, Earth science, human research, physical sciences and technology development, the US space agency said in a statement.

Kopra, Malenchenko and Peake will remain aboard the station till early June 2016.

Kelly and Kornienko will return to the Earth at the conclusion of their one-year mission on March 1, 2016, along with Volkov.

The pair will have spent 340 consecutive days living and working in space to advance understanding of the medical, psychological and biomedical challenges astronauts face during long duration spaceflight, in addition to developing countermeasures to reverse those effects.

Ongoing research includes the “Microbial Payload Tracking Series” project which uses microbial analysis techniques to establish a census of the microorganisms living on surfaces and in the atmosphere of the space station.

Analysing these microbes can help determine whether some are more virulent in space and which genetic changes might be involved in this response.

Results from the investigation can be used to evaluate cleaning strategies, and to mitigate microbe-related risks to crew health and spacecraft system performance.

The crew members are scheduled to receive several cargo spacecraft — including multiple US commercial resupply vehicles from SpaceX and Orbital ATK — each delivering tonnes of food, fuel, supplies and research.

For 15 years, humans have been living continuously aboard the station to advance scientific knowledge and demonstrate new technologies, making research breakthroughs not possible on the Earth that also will enable long-duration human and robotic exploration into deep space.

A truly global endeavour, over 200 people from 15 countries have visited the unique microgravity laboratory that has hosted more than 1,700 research investigations from researchers in more than 80 countries.

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