Sumer
an area in the southern region of Babylonia in present-day Iraq; site of the Sumerian civilization of city-states that flowered during the third millennium BC.

Sumer
Solar Ultraviolet Measurements of Emitted Radiation An ultraviolet spectrometer aboard SOHO more!.

Sumer
A region in the southern part of ancient Mesopotamia The Sumerians arrived about 5000 B C ; the civilization was made up of independent walled city-states, and declined around 1700 B C with the rise of the Babylonians. an area in the southern region of Babylonia in present-day Iraq; site of the Sumerian civilization of city-states that flowered during the third millennium BC.