Results 51 to 60 of about 3,081 (186)
The superb sensitivity and angular resolution of the next-generation radio telescopes with combined frequency coverage of approximately over 3 orders of magnitude (100 MHz–100 GHz) will sample the radio and far-infrared (FIR) spectral energy distribution
Ilsang Yoon +7 more
doaj +1 more source
Nanoscale space weathering features in mature lunar soil revealed by TEM and APT
Abstract Space weathering significantly alters the optical, chemical, and structural properties of lunar regolith at micro‐ and nanoscales; yet detailed nanoscale variability within individual soils remains underexplored. Here we apply transmission electron microscopy (TEM) and atom probe tomography to four mineral grains (olivine, ilmenite, and two ...
Jennika Greer +6 more
wiley +1 more source
Monitoring the Dust Emission from R Aqr with SOFIA: Eclipse and Periastron Passage
We present infrared (IR) spectra from our monitoring of the symbiotic Mira, R Aquarii, using the Stratospheric Observatory for Infrared Astronomy. New mid-IR photometric and spectroscopic observations using the FORCAST instrument were obtained in 2022 ...
Eric Omelian +3 more
doaj +1 more source
Abstract The complex refractive index (CRI) of ice is one of the main parameters driving the optical properties of ice clouds and frozen surfaces, hence their climate impact. While already characterized at short wavelengths, ice CRI has never been measured across the infrared range at temperatures relevant to Earth.
Cecilia Taverna +6 more
wiley +1 more source
3D CMZ. I. Central Molecular Zone Overview
The Central Molecular Zone (CMZ) is the largest reservoir of dense molecular gas in the Galaxy and is heavily obscured in the optical and near-IR. We present an overview of the far-IR dust continuum, where the molecular clouds are revealed, provided by ...
Cara Battersby +18 more
doaj +1 more source
Lithography‐free spaced TiO2 NT arrays unlock tunable broadband absorption from THz to UV. By harnessing annealing‐driven phase transitions, strong phonon–polariton resonances emerge in the 1.4–3.6 THz range, whereas high absorptance persists beyond 10 THz.
Anjali Chaudhary +9 more
wiley +1 more source
Far-infrared Emission Lines as Metallicity Diagnostic
The chemical abundance of the interstellar medium is a key tracer of galaxy evolution. Optical and ultraviolet emission lines are widely used to derive gas-phase metallicities, but suffer from uncertainties due to possible temperature fluctuations and ...
Elizabeth Fletcher +3 more
doaj +1 more source
Mid- Through Far-Infrared Astronomy: The Path to Tomorrow
The mid- through far-infrared wavelength regime accounts for the second largest component of the spectral energy distribution of the Universe -- below the primordial cosmic background and similar in magnitude to the optical background. The far-infrared peak is due to prolific star formation within galaxies during the early lifetime of the Universe ...
Johnstone, Doug +12 more
openaire +2 more sources
Engineering Energy Harvesting Pathways in Mn‐Yb‐Doped Perovskite Nanocrystals
Mn‐Yb codoping in metal halide perovskite nanocrystals establishes dual‐channel energy reservoirs that capture charge carriers and drip‐feed them back to the host on millisecond timescales. This synergistic recycling mechanism overcomes prompt nanosecond recombination limitations, enabling an eight‐fold enhancement in photocatalytic CO2 reduction ...
Manoj Sharma +11 more
wiley +1 more source
The Gamma Factory: A New Experimental Paradigm for the Post‐HL‐LHC Era
ABSTRACT The Gamma Factory (GF) proposal is motivated by the recognition of a largely untapped potential of the CERN accelerator complex to enable a new research program at the intersection of particle, nuclear, atomic, fundamental, and applied physics. These fields could benefit from novel experimental tools made possible by a future GF facility.
Mieczyslaw Witold Krasny
wiley +1 more source

