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Why do astronomers use the molecule CO,instead of hydrogen,to map molecular clouds?
Commanding General
A high-ranking military officer in charge of a particular command or operation, responsible for strategic planning and executing military operations.
United States Army
The land service branch of the U.S. Armed Forces, responsible for land-based military operations.
Inflation
The rate at which the general level of prices for goods and services is rising, leading to a decrease in the purchasing power of currency.
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