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nrao.edu
The Science of Radio Astronomy - National Radio Astronomy Observatory
What is Radio Astronomy? This section tackles the basic scientific concepts behind radio astronomy. What are radio waves? What is frequency?
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Westerlund 1 • Fermi Spots Young Star Cluster Blowing Gamma-Ray Bubbles • 19.12.25 VIDEO: This image of super star cluster Westerlund 1 was captured with the Near-InfraRed Camera on NASA’s James Webb’s Space Telescope. The cluster is largely hidden at visible wavelengths by dust clouds, which infrared light penetrates. Westerlund 1’s large, dense, and diverse stellar population of massive stars has no other known counterpart in the Milky Way. Credit: ESA/Webb, NASA & CSA • For the first time, as
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