As of 4:00 p.m. EST, the rocket had achieved third-stage separation and the Soyuz TMA-16M spacecraft had entered Low Earth orbit. If all goes as planned, the craft will dock onto the space station late Friday night (early Saturday morning in Kazakhstan).
Notably, the journey will see NASA astronaut Scott Kelly and Russian Cosmonaut Mikhail Kornienko remain aboard ISS for 12 months -- the longest space mission in several decades. Scientists with the U.S. and Russian space agencies will be monitoring the health effects of lengthy stints in microgravit...
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