#OTD in 1972, OAO-3 "Copernicus" launched carrying UV and X-Ray telescopes--observations made until February 1981
Hey look who is sitting next to me @Cubs game / The OAO BILL MURRAY !#AwesomeBaby
#OTD in 1966, Orbiting Astronomical Observatory (OAO) 1 launched. OAO series led to development of #HST (Hubble).
The OAO-1 satellite was launched #OTD in 1966. It was a precursor to the Hubble Space Telescope!
What does OAO stand for?
OAO stands for "Over and Out"
How to abbreviate "Over and Out"?
"Over and Out" can be abbreviated as OAO
What is the meaning of OAO abbreviation?
The meaning of OAO abbreviation is "Over and Out"
What does OAO mean?
OAO as abbreviation means "Over and Out"
