|Sergey Nikolayevich Ryazansky|
November 13, 1974 |
Moscow, Soviet Union
|Time in space||166d 6h 27m|
|Selection||2003 IMBP-6 Cosmonaut Group|
|Total EVA time||13 hours and 57 minutes|
|Missions||Soyuz TMA-10M, Expedition 37/38|
Sergey Nikolayevich Ryazansky (Russian: Серге́й Николаевич Рязанский; born November 13, 1974) is a Russian cosmonaut. He was selected as commander of the IMBP-6 cosmonaut group in 2003, but later transferred to the TsPK Cosmonaut Group. Ryazansky made his first spaceflight aboard the Soyuz TMA-10M/Expedition 37/Expedition 38 mission from September 2013 until March 2014.
Ryazansky was born in Moscow, Soviet Union. He is the grandson of Mikhail Ryazanskiy, chief Soviet guidance designer of the Sputnik era. He attended Moscow State University and graduated as a biochemist in 1996. After college he began working as a researcher at the Institute of Biomedical Problems. He was selected as a research and test cosmonaut in 2003. He completed training in 2005. In 2009 he participated in a 105 day mission as part of phase two of the Mars 500 program. He was launched to the International Space Station on board the Soyuz TMA-10M spacecraft on September 25, 2013 alongside American astronaut Michael S. Hopkins and another Russian cosmonaut, Oleg Kotov. He served as a Flight Engineer on Expedition 37 and Expedition 38 before returning to Earth aboard the Soyuz on March 11, 2014. He is divorced with one child. 
- "Sergey Ryazansky". Spacefacts. Retrieved 27 April 2011.
- "ESA astronaut Luca Parmitano assigned to 2013 Space Station mission". ESA. 18 February 2011. Retrieved 27 April 2011.
|This article about a space explorer is a stub. You can help Wikipedia by expanding it.|