Astronomy
- Regio (astronomy)—in planetary geology, a large area of a planet or moon that is strongly differentiated in colour or albedo
- A regio of Venus:
- Alpha Regio
- Beta Regio
- Ovda Regio
- A regio of Venus:
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Famous quotes containing the word astronomy:
“It is noticed, that the consideration of the great periods and spaces of astronomy induces a dignity of mind, and an indifference to death.”
—Ralph Waldo Emerson (18031882)