What does OAO stand for?
OAO stands for "Orbiting Astronomical Observatories"
How to abbreviate "Orbiting Astronomical Observatories"?
"Orbiting Astronomical Observatories" can be abbreviated as OAO
What is the meaning of OAO abbreviation?
The meaning of OAO abbreviation is "Orbiting Astronomical Observatories"
What does OAO mean?
OAO as abbreviation means "Orbiting Astronomical Observatories"
