Very Large Array during the 'blue hour'
NSF's Karl G. Jansky Very Large Array is seen here during the "blue hour," the period of twilight when the sun is at a significant depth below the horizon, and the remaining sunlight takes on a mostly blue shade.
[The VLA is part of the National Radio Astronomy Observatory, a facility of the U.S. National Science Foundation operated under cooperative agreement AST 1647378 by Associated Universities Inc.]
Learn more about the VLA. (Date of image: Unknown; date originally posted to NSF Multimedia Gallery: July 21, 2023)
Credit: Bettymaya Foott (Available under Creative Commons Attribution 3.0 Unported)
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