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Scientific Image· James Webb Space Telescope

Webb's First Deep Field (SMACS 0723)

Image ArchivePublic Domain
A dark field scattered with thousands of galaxies of many colours; several appear stretched into arcs by gravitational lensing.
View at NASA / STScIImage hosted by its source archive. Asteria Star records verified provenance and links to the original.

Caption: Webb's first deep field — the galaxy cluster SMACS 0723 — the deepest, sharpest infrared image of the distant universe at the time of its release.

Scientific context

A near-infrared image in which the mass of the foreground cluster SMACS 0723 gravitationally lenses far more distant background galaxies into arcs, revealing galaxies as they were over 13 billion years ago.

Subject & instruments

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Source & references

The primary and reference sources this topic draws on.

  • STScISpace Telescope Science Institute

    Science operations and public image archives for the Hubble and James Webb space telescopes (MAST, HubbleSite, webbtelescope.org).

    Hubble/Webb images released by NASA/STScI are generally free to use with a credit line; each item's terms are checked before use.