Results 171 to 180 of about 218,608 (214)

Computational capacity of life in relation to the universe. [PDF]

Sci Adv
Kurian P.
europepmc   +1 more source

A possible direct exposure of the Earth to the cold dense interstellar medium 2-3 Myr ago. [PDF]

Nat Astron
Opher M, Loeb A, Peek JEG.
europepmc   +1 more source

The photometry and kinematics studies of NGC 2509 derived from Gaia DR3. [PDF]

Sci Rep
Ahmed NM, Tadross AL.
europepmc   +1 more source

The hard steps model and whole Earth-system transitions. [PDF]

Philos Trans R Soc Lond B Biol Sci
Watson A.
europepmc   +1 more source

Can Humanity Thrive Beyond the Galaxy? [PDF]

J Reprod Dev
Wakayama S, Wakayama T.
europepmc   +1 more source

Dynamically stable radiation pressure propulsion of flexible lightsails for interstellar exploration. [PDF]

Nat Commun
Gao R, Kelzenberg MD, Atwater HA.
europepmc   +1 more source

dust_extinction: Interstellar Dust Extinction Models

Journal of Open Source Software
openaire   +2 more sources

Interstellar extinction and interstellar polarization: Old and new models [PDF]

Journal of Quantitative Spectroscopy and Radiative Transfer, 2012
The review contains an analysis of the observed and model curves of the interstellar extinction and polarization. The observations mainly give information on dust in diffuse and translucent interstellar clouds. The features of various dust grain models including spherical/non-spherical, homogeneous/inhomogeneous particles are discussed.
N V Voshchinnikov
exaly   +3 more sources

Interstellar extinction in the UV [PDF]

Monthly Notices of the Royal Astronomical Society, 1979
M J Seaton
exaly   +2 more sources

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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
openaire   +1 more source