Scott Kelly (left) and his identical twin brother Mark at the Cosmonaut Hotel in Baikonur, Kazakhstan on March 26, 2015, shortly before Scott launched on a one-year mission to the International Space Station.
Credit: NASA/Bill Ingalls
Former NASA astronauts Mark and Scott Kelly will be honored by their hometown of West Orange, New Jersey, today (May 19).
The Kelly brothers — the only set of twins ever to fly in space — will receive “Mayoral Medals,” and the elementary school they attended (currently called Pleasantdale Elementary) will be renamed after them during a ceremony in West Orange.
Here’s a brief rundown of the identical twins’ spaceflight history, along with a biographical tidbit or two.
Date of birth: Feb. 21, 1964
Who is older, and by how much: Mark (6 minutes)
Year selected to NASA astronaut corps: 1996
Year retired: 2011 (Mark), 2016 (Scott)
Who flew to space first? Scott (1999)
Total time in space (both twins): Approximately 574 days
Individual time in space: Approximately 54 days (Mark) and 520 days (Scott; this is the current American record)
Total spaceships flown: 4. Space shuttle Discovery (Mark 2 times and Scott 1 time); space shuttle Endeavour (Mark 2 times and Scott 1 time); Russian Soyuz spacecraft (Scott 2 times); International Space Station (Scott 2 times).
Total spaceflights: 8. Mark: STS-108 (2001), STS-121 (2006), STS-124 (2008), STS-134 (2011). Scott: STS-103 (1999), STS-118 (2007), International Space Station (ISS) Expedition 25/26 (2010-11), ISS Expeditions 43-46 (2015-16).
Missions commanded: 5. Mark: STS-124, STS-134. Scott: ISS Expedition 26, ISS Expedition 45, ISS Expedition 46.
Spacewalks performed: 3 (all by Scott)
“Return to Flight” mission flown, after loss of space shuttle Columbia: 1 (Mark, STS-121)
Space toilets replaced: 1 (Mark, STS-124)
Telescopes repaired: 1 (Hubble Space Telescope, Scott, STS-103)
Christmases spent in space: 3 (all by Scott)
Editor’s note: Space.com and its partner collectSPACE.com are media supporters of the Pleasantdale Elementary School renaming ceremony to honor the Kelly astronaut brothers.
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http://www.space.com/32915-kelly-astronaut-twins-nasa-spaceflight-history.html The Kelly Astronaut Twins' Spaceflight History, by the Numbers
[bestandroiddoubledinheadunit950.blogspot.com]The Kelly Astronaut Twins’ Spaceflight History, by the Numbers
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