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National Aeronautics and Space Administration

Goddard Space Flight Center

Astrophysics Science Division | Sciences and Exploration

This website is kept for archival purposes only and is no longer updated.


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SM4 OVERVIEW SM4 NEWS SM4 LAUNCH INFO SM4 TECHNOLOGY SM4 MULTIMEDIA

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SM4 OVERVIEW
SM4 intro
OBJECTIVES
Extravehicular activities
SHUTTLE CREW
 
Objectives NASA Fact Sheets

Tasks of SM4:
Install WFC3 - Wide Field Camera 3 A high-resolution/wide-field camera with continuous coverage of wavelengths or colors of light from the ultraviolet to the near-infrared.

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Install COS - Cosmic Origins Spectrograph The most sensitive ultraviolet spectrograph ever planned to fly on HST.

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Repair STIS - Restore the Space Telescope Imaging Spectrograph to operational status.

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Repair ACS Restore critical scientific functionality to the Advanced Camera for Surveys

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Replace Rate Sensor Units (gyroscopes) Complete change-out of all six gyroscopes, the heart of HST's pointing system, and HST's main wear-out items.

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FGS - Fine Guidance Sensor Last in a series of changed-out units that allow fine pointing of HST. 

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Replace Batteries Replace the six batteries originally launched with Hubble in 1990, which are steadily losing capacity as they age.

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Install Soft Capture Mechanism Install the Soft Capture Mechanism on the aft end of Hubble to aid autonomous rendezvous and capture of Hubble of a future mission.

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New Outer Blanket Layers (NOBLs) Install NOBLs to thermally protect equipment bays whose thermal insulation has been degraded by the space environment.

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Replace SIC&DH Replace the original launched with Hubble in 1990 to insure redundancy of operations.

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+ SM4 Mission
+ Wide Field Camera 3
+ Cosmic Origins
    Spectrograph
+ Space Telescope Imaging
    Spectrograph Repair
+ Advanced Camera for
    Surveys Repair
+ Space Telescope
    Operations Control Center
+ Gyroscopes
+ Fine Guidance Sensor
+ Batteries
+ New Outer Blanket Layer
+ Soft Capture and
    Rendezvous System
+ Super Lightweight
    Interchangeable Carrier
+ Science Instrument
    Command and Data
    Handling Module
 
Link to SM4 multimedia page

SM4 Media Guide (PDF)
SM4 Images and Videos

 
related content
+ Hubble Site (STScI)