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#spectroscopy

All Space Telescope Blog posts tagged spectroscopy.

Artist's impression of a Saturn-sized temperate gas giant exoplanet orbiting its host star, similar to TOI-199b. Credit: NASA/JPL-Caltech.

TOI-199b: JWST's Atmospheric Characterization of a Rare Temperate Saturn-Sized Exoplanet

The James Webb Space Telescope's 2026 observations of TOI-199b reveal a unique atmospheric composition, filling a gap between hot Jupiters a...

May 25, 2026 3 min read

Artist illustration of exoplanet LHS 3844 b silhouetted against its red dwarf host star

JWST's First Direct Surface Observation of Rocky Exoplanet LHS 3844 b

The James Webb Space Telescope's observation of LHS 3844 b reveals a dark, airless world, offering insights into atmosphere retention and su...

May 12, 2026 3 min read

Artist's concept of NASA's James Webb Space Telescope, whose NIRSpec instrument revealed the unexpected non-rotating kinematics of early-universe galaxy XMM-VID1-2075.

JWST NIRSpec Reveals Unexpected Traits in Early Universe Galaxy XMM-VID1-2075

JWST's NIRSpec uncovers a massive, non-rotating galaxy from the early universe, challenging existing galaxy-evolution models.

May 11, 2026 3 min read

JWST Detects Methane and CO2 in K2-18b Atmosphere

JWST Detects Methane and CO2 in K2-18b Atmosphere: Implications for Extraterrestrial Life

Discover how the James Webb Space Telescope's detection of methane and carbon dioxide in K2-18b's atmosphere advances the search for life be...

May 07, 2026 4 min read

Latest from the Blog

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ESA/CAS Smile Mission: Mapping Earth's Magnetosphere and Auroras May 28, 2026
TOI-199b: JWST's Atmospheric Characterization of a Rare Temperate Saturn-Sized Exoplanet May 25, 2026
Chandra X-ray Observatory Reveals Deep Insights into Galaxy Cluster Abell 2029 May 23, 2026