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2010-01-04 13:09:17

NASA astronaut John Grunsfeld, who participated in three spaceflights to service the Hubble Space Telescope, is leaving the agency to become the deputy director of the Space Telescope Science Institute in Baltimore. The institute is the science operations center for Hubble and the James Webb Space Telescope, which is planned for launch in 2014. "During the past 18 years, John has been a true asset to the agency," said NASA Administrator Charles Bolden, a former astronaut who few on the STS-31...

2010-01-04 09:46:00

WASHINGTON, Jan. 4 /PRNewswire-USNewswire/ -- NASA astronaut John Grunsfeld, who participated in three spaceflights to service the Hubble Space Telescope, is leaving the agency to become the deputy director of the Space Telescope Science Institute in Baltimore. The institute is the science operations center for Hubble and the James Webb Space Telescope, which is planned for launch in 2014. (Logo: http://www.newscom.com/cgi-bin/prnh/20081007/38461LOGO) "During the past 18 years, John has...

2009-05-18 07:55:52

The fifth and final planned Hubble Space Telescope spacewalk began Monday with U.S. astronauts John Grunsfeld and Drew Feustel replacing Hubble's batteries. The National Aeronautics and Space Administration astronauts, who began their spacewalk at 8:20 a.m. EDT, will replace the second of two battery modules. Each module weighs 460 pounds and contains three batteries, providing electrical power to support Hubble operations during the night portion of its orbit, NASA said. The first battery...

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2009-05-18 18:40:00

STS-125 mission specialists John Grunsfeld and Drew Feustel completed the fifth and final spacewalk on the Hubble Space Telescope Monday at 3:22 p.m. EDT. Outside the airlock hatch, Grunsfeld said, "This is a really tremendous adventure that we've been on, a very challenging mission. Hubble isn't just a satellite- it's about humanity's quest for knowledge." He also thanked several people who contributed to Hubble and the servicing mission, then went on to say, "A tour de force of tools and...

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2009-05-15 10:30:00

Space shuttle Atlantis crew members Michael Massimino and Michael Good ventured out for the mission's second of five spacewalks on Friday to continue making upgrades to the Hubble Telescope as the shuttle made its 60th orbit of the mission."It is a beautiful day outside," Massimino said as they began the six-hour spacewalk. "Anybody home?"Good and Massimo began the second spacewalk of the STS-125 mission at 8:49 a.m. EDT. Their tasks for the day include replacing the orbiting observatory's...

2009-05-11 14:39:00

CANOGA PARK, Calif., May 11 /PRNewswire-FirstCall/ -- Pratt & Whitney Rocketdyne (PWR) once again is helping to push the boundaries of how far humanity can see into the depths of space. Three PWR Space Shuttle Main Engines (SSMEs) launched astronauts aboard the Space Shuttle Atlantis today from NASA's Kennedy Space Center on mission STS-125 to service the Hubble Space Telescope. STS-125 is the fifth and final servicing mission to the Hubble. Pratt & Whitney Rocketdyne is a United...

2008-06-14 18:00:02

By Phil Long, The Miami Herald Jun. 14--CAPE CANAVERAL -- The space shuttle Discovery touched down safely Saturday ending a 14-day International Space Station construction job and clearing the way for a major mission to repair and augment the Hubble Space Telescope. Planned repairs and additions to Hubble, scheduled for October, "will bring it to the apex of its scientific ability," said Michael Weiss, NASA deputy program technical manager for the Hubble program at NASA's Goddard Space...

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2007-12-17 15:34:48

The Hubble Space Telescope Servicing Mission 4, scheduled for August 2008, aims to complete multiple upgrades and repairs, many of which are crucial for prolonging the telescope's operational life. One of the mission's many objectives is the refurbishment of its outer thermal blankets. The Importance of Thermal Blankets "Thermal blankets are to spacecraft as clothes are to people," says Mike Weiss, Hubble's technical deputy program manager. "Just as clothes cover our skin and help protect us...

2005-09-01 15:31:51

NASA's Hubble Space Telescope entered a new era of science operations this week, when engineers shut down one of the three operational gyroscopes aboard the observatory. The two-gyro mode is expected to preserve the operating life of the third gyro and extend Hubble's science observations through mid-2008, an eight-month extension. This conclusion followed detailed analysis by engineers and scientists at NASA's Goddard Space Flight Center, Greenbelt, Md., and the Space Telescope Science...


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John Grunsfeld
2012-10-18 12:19:21

John Grunsfeld is an American physicist and a former NASA astronaut. He was born John Mace Grunsfeld in October of 1958 in Chicago, Illinois. He remained in Illinois throughout his childhood and graduated from Highland Park High School in 1976. Upon his graduation, he attended the Massachusetts Institute of Technology, where he earned a Bachelor of Science degree in physics in 1980. He then furthered his education at the University of Chicago, where he earned a Master of Science in physics in...

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Word of the Day
baudekin
  • A rich embroidered or brocaded silk fabric woven originally with a warp of gold thread.
'Baudekin' seems to be an alternative form of 'baldachin,' from the Italian 'Baldacco,' Baghdad, the city where the material was made.
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