File:Speed of Sound -YearInSpace.webm

English: NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko blasted off from the Baikonur Cosmodrome in Kazakhstan on March 27, 2015. With a successful landing 340 days later on March 1, 2016, the pair completed one of the most ambitious missions in the history of the International Space Station and opened a new chapter in human exploration.

During their record-setting mission, nearly 400 investigations were conducted that advance NASA’s mission to reach new heights, reveal the unknown, and benefit all of humanity. Kelly and Kornienko participated in dozens of studies to provide new insights into how the human body adjusts to weightlessness, isolation, radiation and the stress of long-duration spaceflight, which will include the Journey to Mars. Kelly’s twin brother, former NASA astronaut Mark Kelly, participated in parallel twin studies on Earth to help scientists compare the effects on the body and mind in space.

The completion of the one-year mission and its studies will help guide the next steps in planning for long-duration deep space missions that will be necessary as humans move farther into the solar system. Kelly and Kornienko’s mission will inform future decisions and planning for other long-duration missions, whether they are aboard the space station, a deep space habitat in lunar orbit, or a mission to Mars.

Learn more about the mission at: www.nasa.gov/oneyear

HD download link: https://archive.org/details/Speed-of-Sound

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