• Thumbnail for Long Duration Exposure Facility
    NASA's Long Duration Exposure Facility, or LDEF (pronounced "eldef"), was a cylindrical facility designed to provide long-term experimental data on the...
    17 KB (1,644 words) - 06:05, 13 September 2023
  • Thumbnail for Terry Hart
    shuttle Remote Manipulator System (RMS) arm to deploy the Long Duration Exposure Facility (LDEF) and Solar Max satellite. Hart was born on October 27...
    8 KB (721 words) - 05:51, 27 May 2024
  • Thumbnail for Space Shuttle Columbia
    satellites into orbit by the Shuttle on STS-5, retrieve the Long Duration Exposure Facility and deploy the Chandra observatory, which was the heaviest...
    54 KB (4,657 words) - 07:09, 30 August 2024
  • Thumbnail for Space Shuttle Challenger
    relay satellite, the Palapa B communications satellites, the Long Duration Exposure Facility, and the Earth Radiation Budget Satellite. It was also used...
    29 KB (2,232 words) - 22:33, 4 September 2024
  • Thumbnail for STS-41-C
    Maximum Mission ("Solar Max") satellite, and deployed the Long Duration Exposure Facility (LDEF) experimental apparatus. STS-41-C was extended one day...
    14 KB (1,145 words) - 16:49, 5 August 2024
  • Thumbnail for Space Shuttle Enterprise
    1981 to launch a communications satellite and retrieve the Long Duration Exposure Facility, then planned for a 1980 release on the first operational orbiter...
    48 KB (4,009 words) - 01:32, 9 September 2024
  • Thumbnail for Gravity-gradient stabilization
    gradient oriented (Z axis parallel to local vertical). The Long Duration Exposure Facility (LDEF) used this method for 3-axis stabilization; yaw about...
    5 KB (549 words) - 01:09, 29 April 2024
  • Thumbnail for Space station
    research follows on from previous experiments such as the Long Duration Exposure Facility, a free flying experimental platform which flew from April 1984...
    51 KB (5,706 words) - 06:16, 18 August 2024
  • Thumbnail for STS-32
    satellite (also known as Leasat 5), and to retrieve NASA's Long Duration Exposure Facility (LDEF), whose retrieval had been delayed for 41⁄2 years by...
    13 KB (1,119 words) - 16:49, 5 August 2024
  • Thumbnail for Polytetrafluoroethylene
    reached. A 1973 study by DuPont's Haskell Laboratory found that a 4-hour exposure to the fumes emitted by PTFE cookware heated to 280 °C (536 °F) was lethal...
    56 KB (5,799 words) - 18:25, 27 August 2024