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OSO-4 (Fourth Orbiting Solar Observatory) spacecraft

OSO-4 was NASA’s fourth Orbiting Solar Observatory, launched in 1967 to perform solar-physics experiments and measure ultraviolet, X-ray, and gamma radiation before becoming inoperable in 1971.

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Identity

Aliases
OSO-4Fourth Orbiting Solar Observatory
Family Name
OSO-4
Full Name
OSO-4 (Fourth Orbiting Solar Observatory) spacecraft
Roles
observatoryorbiterresearch
Status
retired
Type
spacecraft

Details

Description
OSO-4 was NASA’s fourth Orbiting Solar Observatory, launched in 1967 to perform solar-physics experiments and measure ultraviolet, X-ray, and gamma radiation before becoming inoperable in 1971.
First Flight Year
1,967
Last Flight Year
1,971
Operator

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Creation Time
August 13, 2026 at 16:39:49 UTC
Updated Time
August 14, 2026 at 15:46:49 UTC