James Webb Telescope Reaches A New Turning Point

James Webb Telescope Reaches A New Turning Point

The James Webb Telescope Reaches a New Turning Point – The Hubble Space Telescope's Ultra Deep Field was the focus of the JWST Advanced Deep Extragalactic Survey (JADES). Nine different infrared wavelength ranges were used by the scientists to observe the field with Webb's NIRCam instrument. The scientists looked for small galaxies that could be seen in the infrared but whose spectra were suddenly cut off at a key wavelength from these photos, known as the Lyman refraction (shown left). Webb's NIRSpec tool then produced an accurate redshift measurement for each galaxy (shown at right). Four of the galaxies studied are of particular interest, as they have been found to have formed at an unheard of early period. These galaxies formed less than 400 million years after the Big Bang, or about 2% of the present age of the universe. Credit: NASA, ESA, CSA, STScI, M. Zamani (ESA/Webb), and L. Hustak (STScI)

James Webb Telescope Reaches A New Turning Point

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