NASA Photo ID: STS035-13-008       File Name: 10063950.jpg
  Film Type: 35mm                    Date Taken: 12/10/90
  Title: STS-35 ASTRO-1 telescopes documented in OV-102's payload bay (PLB)
  Description:
  STS-35 Astronomy Laboratory 1 (ASTRO-1) telescopes are documented in the 
  payload bay (PLB) of Columbia, Orbiter Vehicle (OV) 102, and backdropped 
  against the cloud-covered surface of the Earth.  In the center of the frame 
  are three ultraviolet telescopes mounted and precisely coaligned on a
  common  structure, called the cruciform, that is attached to the instrument
  pointing  system (IPS).  Visible on the cruciform are the Integrated
  Radiator System  (IRS) (silver box at left), the Optical Sensor Package
  (OSP) (above IRS), the  Ultraviolet Imaging Telescope (UIT), and the Star
  Tracker (S TRK) (at far  right).  In the foreground and in front of the
  unpressurized spacelab pallet  (U-pallet) is the igloo, a pressurized
  cylindrical container that houses  subsystems that provide such services as
  power, telemetry and commands to the  instruments.          
  
  Subject terms:
  ASTRO MISSIONS (STS)                    
  COLUMBIA (ORBITER)                      
  EARTH SURFACE                           
  INSTRUMENT ORIENTATION                  
  PAYLOAD BAY                             
  POSITIONING                             
  SPACEBORNE ASTRONOMY                    
  STS-35                                  
  ULTRAVIOLET TELESCOPES                  
  

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