A section of sky the size of a grain of sand expanded into a mosaic of ancient stars.
Yesterday, July 11, President Biden and NASA Administrator Bill Nelson revealedNASA described it as the"deepest, sharpest infrared view of the universe to date."
There is a mind-blowing amount of data to marvel at in the first scientific James Webb image — the patch of sky is roughly the size of a grain of sand when viewed from Earth, but it contains thousands of galaxies, each of which likely contains billions of stars and planets.made by JWST. To highlight James Webb's immense technical prowess, we can look at the same regions of the sky as viewed by its predecessor,The image shared yesterday by NASA provides a stunning view of galaxy cluster SMACS 0723 in never-before-seen detail. The light from those systems took so long to reach James Webb's instruments that the image essentially provides a window into the universe some 4.5 billion years ago.
It's not the first time one of NASA's key instruments was pointed at this section of the sky. Images taken of SMACS 0723 by the Hubble Space Telescope are available at. It's worth noting that the image taken by Hubble required 10 days of exposure, while the JWST's Near-Infrared Camera image took only 12.5 hours to take the image revealed yesterday.
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