What does RGO stand for?
RGO stands for "Royal Greenwhich Observatory"
How to abbreviate "Royal Greenwhich Observatory"?
"Royal Greenwhich Observatory" can be abbreviated as RGO
What is the meaning of RGO abbreviation?
The meaning of RGO abbreviation is "Royal Greenwhich Observatory"
What does RGO mean?
RGO as abbreviation means "Royal Greenwhich Observatory"
