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In astronomy, first light is the first use of a telescope (or, in general, a new instrument) to take an astronomical image after it has been constructed. This is often not the first viewing using the telescope; optical tests will probably have been performed to adjust the components.
Jun 13, 2023 · The James Webb Space Telescope has captured the light from the earliest galaxies and quasars in the cosmic history. Learn how astronomers are using JWST to study the formation and evolution of supermassive black holes and massive galaxies in the first billion years of the universe.
Discover how an X-ray telescope has revolutionized astronomy and our understanding of the Universe. A scientific and engineering marvel, NASA’s Chandra X-ray Observatory has spent two decades ...
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Jun 22, 2023 · New results from the James Webb Space Telescope find that radiation from ordinary galaxies cleared the primordial haze left over from the Big Bang, allowing the first light to shine through the early universe.
Jul 14, 2011 · Every telescope has that special moment when it first opens its eyes to the universe. Astronomers call it "first light." These are the first pictures by the great telescopes of the world.
Feb 12, 2022 · The new giant space telescope has glimpsed its first light, a sunlike star near the constellation Ursa Major. The image shows 18 blurry spots, each a copy of the star, as Webb aligns and calibrates its 18 mirrors.
