F187N image showing Pa𝛼 emission line flux (MJy/sr), which can be treated as a proxy for FUV radiation. The dark blue regions have flux of the order 100 MJy/sr, and
Archive for March, 202654- Page
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Astrochemistry Status Report astro-ph.GA March 18, 2026 (Left) Depiction of the hemibonded CN radical adsorbed on a 14 H2O cluster. (Right, Top) Parallel geometries for the approach of C2H2 and
The strength of indirect detection signals from an Earth-like exoplanet as a function of stellar effective temperature. Bands encompassing main sequence spectral classes A through M color coded by temperature
Combined fit results for K2-79 b. Transit fit to the light curve data from K2 long cadence (first row left), TESS long cadence (first row centre), and CHEOPS (first row
The Earth is under assault. Space rocks are constantly hurtling toward us, slamming into the atmosphere and often exploding into fireballs that both delight and alarm.
Top: MIRI-MRS spectra of VHS 1256 b, with the spectral regions used for molecular detection highlighted for each species. Bottom: Corresponding Exo-REM molecular templates for the detected molecules, showing both
Co-added observed spectra of 3I with best-fit model Observed and modelled 13CN centred (left) and 15CN-centred (right) line profiles. The shaded region represents the uncertainty of the profile resulting from
A comet breaks apart in this series of images from NASA’s Hubble Space Telescope. The comet was C/2025 K1 (ATLAS) (not to be confused with the interstellar comet 3I/ATLAS). These
At any given moment, about 20 volcanoes on Earth are actively erupting. Often among them is Mayon—the most active volcano in the Philippines. Michala Garrison, using Landsat data from the
TAMPA, Fla. — South Korea’s plans for a national security constellation are coming into sharper focus after a March 18 solar array supply deal set the stage for a first
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