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--- un:ra [2024/05/29 02:02] – asad
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-====== Radio astronomy ======
-Radio astronomy is a branch of astronomy where radio emission from astronomical objects are studied. The boundaries of the radio window of the [[em|electromagnetic spectrum]] is defined by the [[opacity]] of Earth's atmosphere and the [[quantum noise]] in coherent amplifiers.
-{{https://smd-cms.nasa.gov/wp-content/uploads/2023/08/ems-introduction.jpeg}}