Results 121 to 130 of about 73,704 (164)
To the question of astrophysical studies of protoplanetary disks of stars [PDF]
: A brief analytical review of selected works on astrophysical observations of protoplanetary disks of stars is presented. It is shown that the data of astrophysical studies generally confirm the validity of the model of protoplanetary rings ...
Legkostupov M.S. http://library.keldysh.ru/author_page.asp?aid=1177
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The chemistry of protoplanetary disks
The chemistry of protoplanetary disks is central to understanding the origins of planetary systems and, ultimately, the potential for life. This review talk will present the state of the art in the study of disk chemistry, surveying the latest insights into the formation and evolution of chemical species in the different disk's regions, from the cold ...
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Dynamics of Protoplanetary Disks [PDF]
Protoplanetary disks are quasi-steady structures whose evolution and dispersal determine the environment for planet formation. I review the theory of protoplanetary disk evolution and its connection to observations. Substantial progress has been made in elucidating the physics of potential angular momentum transport processes—including self-gravity ...
Philip J. Armitage
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From Protoplanetary to Debris Disks
2002We discuss the physical difference between protoplanetary and debris (Vega-like) disks and consider the course of evolution which leads from the first to the latter. We discuss a simple evolutionary model for debris disks and predict 20μm fluxes for future observations with VISIR.
Dominik, C., Dullemond, C.P.
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Chemistry of Protoplanetary Disks
2004We 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, S.B. Charnley
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Theory of protoplanetary disks
Astrophysics and Space Science, 1995The 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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Protostellar and Protoplanetary Disks
1997It 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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