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John M. Grunsfeld

John M. Grunsfeld

John M. Grunsfeld is an astronaut from United States of America affiliated with the government agency National Aeronautics and Space Administration, embarked on 5 space flights and engaging in 8 spacewalk(s) during his/her career as an astronaut.

John Mace Grunsfeld is an American physicist and a former NASA astronaut. He is a veteran of five Space Shuttle flights and has served as NASA Chief Scientist. His academic background includes research in high energy astrophysics, cosmic ray physics and the emerging field of exoplanet studies with specific interest in future astronomical instrumentation. After retiring from NASA in 2009, he served as the Deputy Director of the Space Telescope Science Institute in Baltimore, Maryland. In January 2012, he returned to NASA and served as associate administrator of NASA's Science Mission Directorate (SMD). Grunsfeld announced his retirement from NASA in April 2016.

  • Date of Birth: 10/10/1958
  • Status: Retired
  • First Flight: 03/02/1995
  • Last Flight: 05/11/2009
  • In Space: No

Launches

Spacewalks

STS-103 EVA 1

The spacewalk began at 12/22/1999 18:54 UTC and ended at 12/23/1999 03:09 UTC on the Hubble Space Telescope (LEO) for a total of 8 hours and 15 minutes.

STS-103 EVA 3

The spacewalk began at 12/24/1999 19:17 UTC and ended at 12/25/1999 03:25 UTC on the Hubble Space Telescope (LEO) for a total of 8 hours and 8 minutes.

STS-109 EVA 1

The spacewalk began at 03/04/2002 06:37 UTC and ended at 03/04/2002 13:38 UTC on the Hubble Space Telescope (LEO) for a total of 7 hours and 1 minutes.

STS-109 EVA 3

The spacewalk began at 03/06/2002 08:28 UTC and ended at 03/06/2002 15:16 UTC on the Hubble Space Telescope (LEO) for a total of 6 hours and 48 minutes.

STS-109 EVA 5

The spacewalk began at 03/08/2002 08:46 UTC and ended at 03/08/2002 16:06 UTC on the Hubble Space Telescope (LEO) for a total of 7 hours and 20 minutes.

STS-125 EVA 1

The spacewalk began at 05/14/2009 12:52 UTC and ended at 05/14/2009 20:12 UTC on the Hubble Space Telescope (LEO) for a total of 7 hours and 20 minutes.

STS-125 EVA 3

The spacewalk began at 05/16/2009 13:35 UTC and ended at 05/16/2009 20:11 UTC on the Hubble Space Telescope (LEO) for a total of 6 hours and 36 minutes.

STS-125 EVA 5

The spacewalk began at 05/18/2009 13:20 UTC and ended at 05/18/2009 20:22 UTC on the Hubble Space Telescope (LEO) for a total of 7 hours and 2 minutes.

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