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NASA’s Webb telescope reveals deepest ever view of early universe

12.07.2022 09:09 AM
NASA’s Webb telescope reveals deepest ever view of early universe
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NASA’s Webb telescope reveals deepest ever view of early universe

The stunning shot, released in a White House briefing by President Joe Biden, is overflowing with thousands of galaxies and features some of the faintest objects observed, colorized in blue, orange and white tones.

Known as Webb's First Deep Field, it shows the galaxy cluster SMACS 0723, which acts as a gravitational lens, bending light from more distant galaxies behind it towards the observatory, in a cosmic magnification effect.

Webb's primary imager NIRCam -- which operates in the near infrared wavelength spectrum because light from the early universe has been stretched out by the time it reaches us -- has brought these faint background galaxies into focus.

Webb compiled the composite shot in 12.5 hours, achieving well beyond what its predecessor the Hubble Space Telescope could in weeks.

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