Rubin Observatory's newly coated mirror will reflect the ever-changing universe with unparalleled completeness
The Vera C. Rubin Observatory, a research facility under construction in Chile and funded by the U.S. National Science Foundation and the U.S. Department of Energy's Office of Science, achieved a major milestone on April 27, 2024, with the successful coating of its largest mirror with silver. The now-reflective 8.4-meter primary-tertiary mirror — about as wide as a tennis court — is so-called because it has two optical surfaces with different curvatures.�� The completion of the multi-stag...
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