The MIRI Deep Imaging Survey (MIDIS), a survey of the Hubble Ultra Deep Field carried out by the James Webb Space Telescope, has discovered more than 2,500 distant structures. (Image credit: ESA/Webb, NASA and CSA, G. Ostlin, P.G. Perez-González, J. Melinder, JADES collaboration, MIDIS collaboration, M. Zamani (ESA/Webb)) At a glance
What it is: The Hubble Ultra Deep Field, re-examined by the James Webb Space Telescope.
Where is it located: Near the constellation Ursa Major in the night sky.
When published: August 1, 2025
The latest extragalactic survey by the James Webb Space Telescope (JWST) has revealed fainter and more distant objects than ever before, some dating back to the earliest days of the universe. But it stands on the shoulders of a giant: When NASA released the Hubble Ultra Deep Field image in 2004, it sent shockwaves through astronomy. This deep snapshot of an unremarkable patch of the night sky, made up of 800 images taken over 11 days, revealed nearly 10,000 galaxies, many of them the most distant known.
Now, JWST has surveyed the same patch of sky from a new perspective and found another 2,500 objects. Crucially, they are even further away.
A new study by JWST's Hubble Ultra Deep Field, called the MIRI Deep Imaging Survey (MIDIS), provides the deepest image of this part of the night sky in mid-infrared light.
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Sourse: www.livescience.com
