A galaxy cluster as it appeared
4.6 billion years ago
The stunning photograph,
known as Webb's First Deep Field, reveals thousands of galaxies in the cluster SMACS 0723.
The patch of sky
covered in the image is so small that it is comparable to the size of a grain of sand
NASA's James Webb Space
Telescope has produced the deepest and sharpest infrared image of the distant universe to date.
"Thousands of galaxies
- including the faintest objects ever observed in the infrared
The photograph is a
composite of images captured at various wavelengths by Webb's Near-Infrared Camera
"The combined mass of
this galaxy cluster acts as a gravitational lens, magnifying much more distant galaxies behind it.
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