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Browsing Tag

Webb

33 posts
SScience
These Webb (left) and Hubble (right) images reveal Saturn in infrared and visible light. Image credit: NASA / ESA / CSA / STScI / A. Simon, NASA-GSFC / M. Wong, University of California / J. DePasquale, STScI.
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Webb and Hubble Telescopes Capture Saturn in Unprecedented Detail

  • March 27, 2026
By combining infrared observations from the NASA/ESA/CSA James Webb Space Telescope with visible-light imagery from the NASA/ESA Hubble…
SScience
Webb captured the auroral footprints of Io and Europa, providing spectral measurements for the first time, and revealing extreme changes in the physical properties within Io’s auroral footprint that are likely linked to the electrons crashing into the top of Jupiter’s atmosphere. Image credit: NASA / ESA / CSA / Webb / NIRCam / Jupiter ERS Team / Judy Schmidt / Katie L. Knowles, Northumbria University.
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Webb Captures Io’s and Europa’s Auroral Footprints in Jupiter’s Atmosphere

  • March 6, 2026
The NASA/ESA/CSA James Webb Space Telescope conducted a clockwise scan around the entire limb of Jupiter, chasing aurora…
SSpace
February Picture of the Month: ESA shares beautiful image of a spiral galaxy
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February Picture of the Month: ESA shares beautiful image of a spiral galaxy

  • February 28, 2026
ⓘ NASA A conceptual image of the James Webb Space Telescope Webb utilized powerful instruments to create a…
SScience
These Webb images show PMR 1, a planetary nebula some 5,000 light-years away in the constellation of Vela. Image credit: NASA / ESA / CSA / STScI / Joseph DePasquale, STScI.
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Webb’s Infrared Vision Reveals Planetary Nebula that Looks Strikingly Like Celestial Brain

  • February 28, 2026
The unmatched sensitivity of the NASA/ESA/CSA James Webb Space Telescope in both near- and mid-infrared light sheds new…
SScience
This Webb image shows NGC 5134, a spiral galaxy some 65 million light-years away in the constellation of Virgo. Image credit: NASA / ESA / CSA / Webb / A. Leroy.
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Webb Focuses on Spiraling Star Factory: NGC 5134

  • February 24, 2026
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have produced a spectacular infrared image of the spiral galaxy…
SScience
The main image at left shows a combined Webb and Hubble view of the spiral galaxy NGC 1637, with the region of interest in the top right; the remaining three panels show a detailed view of a red supergiant star before and after it exploded; the star is not visible in the Hubble image before the SN 2025pht explosion, but appears in the Webb image; the July 2025 view from Hubble shows the glowing aftermath of the explosion. Image credit: NASA / ESA / CSA / STScI / C. Kilpatrick, Northwestern / A. Suresh, Northwestern / J. DePasquale, STScI.
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Webb Identifies Supernova Progenitor Star in NGC 1637

  • February 23, 2026
Using the NASA/ESA/CSA James Webb Space Telescope, astronomers have for the first time identified the progenitor of a…
SScience
Tiranti et al. mapped the vertical structure of Uranus’ upper atmosphere, uncovering how temperature and charged particles vary with height across the planet. Image credit: NASA / ESA / CSA / Webb / STScI / P. Tiranti / H. Melin / M. Zamani, ESA & Webb.
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Webb Reveals Hidden Layers of Uranus’ Upper Atmosphere

  • February 21, 2026
For the first time, astronomers have mapped the vertical structure of Uranus’ ionosphere, uncovering unexpected temperature peaks, weakened…
SScience
Webb Detects Hydrogen Sulfide Gas on Three Super-Jupiters
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Webb Detects Hydrogen Sulfide Gas on Three Super-Jupiters

  • February 16, 2026
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have for the first time identified hydrogen sulfide gas in…
SScience
Hydrocarbons play a key role in shaping the chemistry of the interstellar medium, but their enrichment and relation with carbonaceous grains and polycyclic aromatic hydrocarbons still lack clear observational constraints. García-Bernete et al. report on the Webb infrared observations of the local ultra-luminous infrared galaxy (ULIRG) IRAS 07251-0248, which revealed the extragalactic detection of small gas-phase hydrocarbons. Image credit: García-Bernete et al., doi: 10.1038/s41550-025-02750-0.
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Webb Detects Unexpected Richness of Hydrocarbons in Obscured Core of Nearby Ultra-Luminous Galaxy

  • February 8, 2026
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have uncovered an unprecedented richness of small gas-phase hydrocarbons —…
SScience
Webb Picture of the Month for December showcases a region sparkling like a Christmas tree
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Webb’s 255-hour-long observation reveals invisible dark matter in a map area containing nearly 800,000 galaxies

  • February 1, 2026
As part of the Cosmic Evolution Survey (COSMOS) project, Webb captured an area of the sky located in…
SScience
Webb Peers Deep into Iconic Helix Nebula
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Webb Peers Deep into Iconic Helix Nebula

  • January 21, 2026
The new infrared image from the NASA/ESA/CSA James Webb Space Telescope reveals the complex structure of gas and…
PPhysics
Little red dots are young supermassive black holes in dense ionized cocoons. Image credit: NASA / ESA / CSA / Webb / Rusakov et al., doi: 10.1038/s41586-025-09900-4.
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Early Universe’s ‘Little Red Dots’ Are Young Supermassive Black Holes, Astrophysicists Say

  • January 16, 2026
Astrophysicists at the University of Copenhagen show that the enigmatic ‘little red dots’ — red sources scattered across…
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