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Browsing Tag

IR

21 posts
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
This composite image shows the heart-shaped Cocoon Nebula: X-ray data from Chandra reveal a cluster of new stars that are just poking through the stunning nebula; optical light data from astrophotographers Michael Adler and Barry Wilson, as well as infrared light data from WISE mission are also included. Image credit: NASA / CXC / SAO / JPL / Caltech / WISE / M. Adler / B. Wilson / L. Frattare.
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Chandra Spots Cluster of Newborn Stars in Cocoon Nebula

  • February 16, 2026
The Chandra team has released a striking new composite image of the Cocoon Nebula, a reflection and emission…
SScience
Location and disappearance of M31-2014-DS1. Image credit: De et al., doi: 10.1126/science.adt4853.
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Supergiant Star Collapsed into Stellar-Mass Black Hole in Andromeda Galaxy

  • February 14, 2026
Using archival data from NASA’s NEOWISE mission along with data from other space and ground-based observatories, astronomers identified…
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 —…
EEconomy
What just happened? Ten charts to help make sense of markets in 2025
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What just happened? Ten charts to help make sense of markets in 2025

  • December 31, 2025
LONDON, Dec 31 (Reuters) – This past year won’t soon be forgotten. In 2025, conventional thinking about economics…
SSpace
This infrared image from SPHEREx features a selection of colors emitted primarily by stars (blue, green, and white), hot hydrogen gas (blue), and cosmic dust (red). Image credit: NASA / JPL-Caltech.
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SPHEREx Creates Infrared Map of Entire Sky

  • December 25, 2025
NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope has…
SScience
This artist’s concept shows what TOI-561b and its star could look like. Image credit: NASA / ESA / CSA / Ralf Crawford, STScI.
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Webb Detects Thick Atmosphere on Ultrahot Super-Earth TOI-561b

  • December 12, 2025
The new observations with the NASA/ESA/CSA James Webb Space Telescope suggest that TOI-561b is surrounded by a thick…
SScience
An artistic rendering of a dust and gas disk encircling the young exoplanet CT Cha b. Image credit: NASA / ESA / CSA / STScI / G. Cugno, University of Zürich & NCCR PlanetS / S. Grant, Carnegie Institution for Science / J. Olmsted, STScI / L. Hustak, STScI.
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Webb Discovers Exomoon-Forming Circumplanetary Disk around Gas-Giant Exoplanet

  • September 29, 2025
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have found the carbon-rich disk surrounding CT Cha b, a…
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