Orbiting Astronomical Observatory

Orbiting Astronomical Observatory is a space telescope or spacecraft series.

Also recorded as OAO.

Overview

Catalogue entries for instruments state maker, signature, completeness and working condition. VALÉORINE records this subject so that lots referring to it can be described consistently.

In detail

series of four space observatories launched between 1966 and 1972

Sources

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

reference work · Reputable secondary · Wikipedia
“Orbiting Astronomical Observatory”, English Wikipedia, consulted as further reading
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reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1086325: Orbiting Astronomical Observatory
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