Results 121 to 130 of about 686 (168)

A reassessment of the "hard-steps" model for the evolution of intelligent life. [PDF]

Sci Adv
Mills DB, Macalady JL, Frank A, Wright JT.   +3 more
europepmc   +1 more source

CPDDA: A Python Package for Discrete Dipole Approximation Accelerated by CuPy. [PDF]

Nanomaterials (Basel)
Xu D, Tuersun P, Li S, Wang M, Jiang L.
europepmc   +1 more source

Characterizing the luminosity components of luminous infrared galaxies in multi-wavelength from the X-ray to the far-infrared. [PDF]

Sci Rep
Ali AAM, Gadallah KAK, Shalabiea OM, Beheary MM.   +3 more
europepmc   +1 more source

dust_extinction: Interstellar Dust Extinction Models

Journal of Open Source Software
openaire   +1 more source

A binary merger product as the direct progenitor of a Type II-P supernova

Niu* Z, Sun* N, Zapartas* E, Souropanis D, Cui Y, Maund JR, Andrews JJ, Briel MM, Fraser M, Gossage S, Kruckow MU, Liotine C, Liu Z, Srivas PM, Teng E, Wang X, Yang Y, Liu J.   +17 more
europepmc   +1 more source

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A Model for Interstellar Extinction

Astrophysics and Space Science, 1982
From an analysis of the interstellar extinction we conclude that interstellar grains are of three main kinds: graphite spheres of radii ∼0.02 μm making up ∼10% of the total grain mass, small dielectric spheres of radius about 0.04 μm making up ∼25% of the mass, and hollow dielectric cylinders containing metallic iron with diameters of ∼2/3 μm making up
F. Hoyle, N.C. Wickramasinghe
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Buckminster Fullerene and Interstellar Extinction

Acta Astronomica, 2023
Most of over 500 Diffuse Interstellar Bands (DIBs) can not be assigned to any carrier. Only the infrared DIBs at 9348-9632 Å are known to be absorption lines of the buckminster fullerene cation C60+. We show that equivalent width of the 9577 Å DIB is correlated with the bump area on the ultraviolet extinction curve and with interstellar reddening E(B-V)
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The interstellar extinction curve

Publications of the Astronomical Society of the Pacific, 1993
The history of the study of interstellar extinction is briefly discussed. The methods used to determine the extinction law are presented and compared, and the main difficulties involving the application of certain methods are shown. This paper emphasizes the necessity of investigating single-clou extinction curves instead of ill-defined long distance ...
J. Krelowski, J. Papaj
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Interstellar Dust and Extinction

Annual Review of Astronomy and Astrophysics, 1987
The ultraviolet (UV) region of the spectrum has been crucial in providing information on the nature of the material and size distribution of the particles of interstellar dust. Before there were any measurements of the UV properties of interstellar extinction, interstellar particles were believed to be composed primarily of dirty ices.
openaire   +1 more source