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Explorer 54 Atmosphere Explorer-D Upper-Atmosphere Research Spacecraft Family

Explorer 54, also known as Atmosphere Explorer-D or AE-D, was a NASA upper-atmosphere research satellite launched on October 6, 1975. Its maneuverable platform and instruments investigated energy transfer, atomic and molecular processes, chemical reactions, composition, density, and temperature in the upper atmosphere and ionosphere; operations ended January 29, 1976 and re-entry followed March 12, 1976.

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Identity

Aliases
Explorer 54Explorer LIVAE-DAtmosphere Explorer-DAtmosphere Explorer D1975 096AExplorer 54 spacecraft
Family Name
Explorer 54
Full Name
Explorer 54 Atmosphere Explorer-D Upper-Atmosphere Research Spacecraft Family
Roles
orbiterobservatoryresearch
Status
retired
Type
spacecraft

Details

Description
Explorer 54, also known as Atmosphere Explorer-D or AE-D, was a NASA upper-atmosphere research satellite launched on October 6, 1975. Its maneuverable platform and instruments investigated energy transfer, atomic and molecular processes, chemical reactions, composition, density, and temperature in the upper atmosphere and ionosphere; operations ended January 29, 1976 and re-entry followed March 12, 1976.
First Flight Year
1,975
Last Flight Year
1,976

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Creation Time
August 14, 2026 at 08:07:31 UTC
Updated Time
August 14, 2026 at 08:07:31 UTC