Results 251 to 260 of about 71,588 (268)

Search for Chirality in Hydrogenated Magnesium Nanosilicates: A DFT and TD-DFT Investigation. [PDF]

J Phys Chem A
Stelmach KB, Dukes CA, Garrod RT.
europepmc   +1 more source

An Abrupt Change in the Disk Fraction of Free-Floating Planets at the Deuterium-Burning Ignition Limit

Rodrigues T, Bouy H, Raymond S, Martín E, Bertin E, Romero JO, Barrado D, Huélamo N, Tamura M, Roig NM, Galli P, Cuillandre J.   +11 more
europepmc   +1 more source

Lense-Thirring precession after a supermassive black hole disrupts a star. [PDF]

Nature
Pasham DR, Zajaček M, Nixon CJ, Coughlin ER, Śniegowska M, Janiuk A, Czerny B, Wevers T, Guolo M, Ajay Y, Loewenstein M.   +10 more
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Unexpected increase of the deuterium to hydrogen ratio in the Venus mesosphere. [PDF]

Proc Natl Acad Sci U S A
Mahieux A, Viscardy S, Yelle RV, Karyu H, Chamberlain S, Robert S, Piccialli A, Trompet L, Erwin JT, Ubukata S, Nakagawa H, Koyama S, Maggiolo R, Pereira N, Cessateur G, Willame Y, Vandaele AC.   +16 more
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Protoplanetary Disks

1996
Not ...
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Protoplanetary Disk, Chemistry

2011
▶ Protoplanetary disks (PPDs) surrounding young stars are short-lived (~1–10 Myr), compact (~10–1,000 AU) rotating reservoirs of gas and dust. Disks are believed to be the birthplaces of planetary systems, where tiny grains are assembled into pebbles,▶ planetesimals, and eventually planets, asteroids, and comets.
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Protostellar and Protoplanetary Disks [PDF]

, 1997
It is barely a decade since the first molecular line images of disks around embedded and pre-main sequence stars were published (Beckwith et al., 1986; Mundy et al., 1986; Sargent & Beckwith 1987). In the intervening years there has been steady progress in detecting and analyzing these disks, which are an expected by-product of the star formation ...
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Theory of protoplanetary disks

Astrophysics and Space Science, 1995
The evolution of protoplanetary disks around young stars is briefly reviewed. The most important physical mechanisms that drive the mass accretion are gravitational, magnetic, and thermal convective instabilities. These mechanisms are dominant in different regions of the disk and at different evolutionary epochs.
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Chemistry of Protoplanetary Disks

2004
We consider the chemistry occurring in protoplanetary disks and its possible contribution to the organic inventory of primitive solar system bodies. First, we outline the main physical and chemical processes associated with the formation of solar-type stars and their accretion disks.
A.J. Markwickan, Steven B. Charnley
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