This website was produced by funding from the European Community's Horizon 2020 Programme under grant agreement n° 821832
Diameter
Space Words
Diameter is a measurement of the distance across the widest part of a circle or sphere. For example, the diameter of Earth is 12,700 kilometers.
Still curious? Learn more...
What is Space Scoop?
Discover more Astronomy
Inspiring a New Generation of Space Explorers
Space Scoop Friends
Contact Us