NIRSpec

Ionized hydrogen map of J0148-4214 showing the locations of the three black holes

Webb reveals evidence of three massive black holes in a galaxy from the dawn of the universe

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The three active black holes were found in galaxy J0148-4214 as it appeared about 1.2 billion years after the Big Bang. The finding strengthens the possibility that mergers accelerated the growth of black holes in the early universe.
Faint stars obscured much of the mass of ancient galaxies

Faint stars obscured much of the mass of ancient galaxies

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Spectral analysis of nine massive galaxies using the James Webb Space Telescope and the Very Large Telescope suggests an excess of small, faint stars. If a similar population existed in their early universe ancestors, their masses may
Artist's impression of GJ 504b, nicknamed the "Pink Planet," in orbit around its star. James Webb Space Telescope observations indicate salt clouds in the cold object's atmosphere. Credit: NASA's Goddard Space Flight Center

James Webb Telescope Discovers Salt Clouds in the Atmosphere of the “Pink Planet”

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The James Webb Space Telescope has produced the first detailed spectrum of GJ 504b, a cold, dim object known as the “pink planet.” The researchers identified a variety of molecules and found that only salt clouds explain the
The JWST space telescope after completing functional tests, from [17]

It's not just engineering, it's art - the James Webb Space Telescope's infrared detector cooling system

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For the first time, a phenomenon that astronomers have long hoped to directly image has been captured by the Near Infrared Camera (NIRCam) on the NASA/ESA/CSA James Webb Space Telescope. In this spectacular image of the Serpent Nebula, the discovery is in the northern region of this young, nearby star-forming region. NASA, ESA, CSA

Alignment of dipolar jets confirms star formation theories

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First-of-its-kind identification of straight jets in spectacular new Webb Space Telescope image
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