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Geoffrey 'Boy' Wellum
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Feb 12, 2022 · "First light" means starlight has traveled through the optics of a telescope, bouncing off all its mirrors to reach its detectors for the first time. NASA confirmed Webb achieved that on Feb. 3.
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. There are more than 20,000 galaxies in this field, which lies between the Pisces and Andromeda constellations.
Hubble's 'First Light'. This "first light" image from Hubble was released in May 1990, to illustrate the telescope's improved resolution when compared to ground-based observatories. On the right is part of the first image taken with the Hubble Space Telescope's Wide Field/Planetary Camera.
Theory predicts that the first stars were 30 to 300 times as massive as our Sun and millions of times as bright, burning for only a few million years before exploding as supernovae. The energetic ultraviolet light from these first stars was capable of splitting hydrogen atoms back into electrons and protons (or ionizing them).
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.
Scientific Rationale. The James Webb Space Telescope will allow us to pierce deeper than ever before into the "Cosmic Dawn" of our universe to explore the formation and evolution of the first galaxies and quasars. In this conference we aim to bring together astronomers from around the world to present, discuss and interpret some of the first ...
Oct 3, 2023 · Chandra X-ray Observatory. 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 (so far) exploring the cosmos unlike any other telescope. What it has found will astound you. Details.
