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Upper Atmosphere Research Satellite

NASA’s Upper Atmosphere Research Satellite (UARS) was an orbital observatory deployed from the Space Shuttle Discovery to study Earth’s upper atmosphere. Its ten instruments measured atmospheric energy inputs, winds, and chemical composition, providing an integrated record focused especially on stratospheric ozone, climate variability, and the dynamics of the stratosphere and mesosphere.

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Identity

Aliases
UARSUpper Air Research Satellite
Name
Upper Atmosphere Research Satellite
Status
completed

Details

Astronauts
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Description
NASA’s Upper Atmosphere Research Satellite (UARS) was an orbital observatory deployed from the Space Shuttle Discovery to study Earth’s upper atmosphere. Its ten instruments measured atmospheric energy inputs, winds, and chemical composition, providing an integrated record focused especially on stratospheric ozone, climate variability, and the dynamics of the stratosphere and mesosphere.
Destination
Earth orbit
End Date
2005-12-14
Launch Site
Outcome
Launched on September 12, 1991 and deployed from STS-48 on September 15, UARS operated far beyond its three-year design life; five instruments continued returning observations until the spacecraft was decommissioned on December 14, 2005.
Programs
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Start Date
1991-09-12
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Creation Time
August 15, 2026 at 07:52:23 UTC
Updated Time
August 15, 2026 at 07:52:23 UTC

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