UARS (Upper Atmosphere Research Satellite)
NASA satellite designed to study the physical and chemical processes taking
place in Earth's upper atmosphere, between 15 and 100 km. UARS provided
measurements of atmospheric internal structure (trace constituents, physical
dynamics, radiative emission, thermal structure, density) and measurements
of the external influences acting upon the upper atmosphere (solar radiation,
tropospheric conditions, electric fields). The specific UARS mission objectives
were to study 1) energy input and loss in the upper atmosphere, 2) global
photochemistry of the upper atmosphere, 3) dynamics of the upper atmosphere,
4) coupling among these processes, 5) coupling between the upper and lower
atmosphere.
| Shuttle deployment |
Sep. 15, 1991 |
| Shuttle mission |
STS-48 |
| orbit |
574 × 582 km × 57.0° |
| size |
9.8 × 4.6 m |
| mass |
6,795 kg |
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