Towards a More Just Canadian Education-migration System: International Student Mobility in Crisis
Studies in Social Justice, 2022 Education-migration, or the multi-step recruitment and retention of international students as immigrants, is an increasingly important component of both higher education and so-called highly-skilled migration.
Lisa Ruth Brunner
doaj
Understanding the assembly of Kepler's compact planetary systems
, 2014 The Kepler mission has recently discovered a number of exoplanetary systems, such as Kepler-11 and Kepler-32, in which ensembles of several planets are found in very closely packed orbits (often within a few percent of an AU of one another).
Alexander, R. D. +2 more
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Long-term and large-scale hydrodynamical simulations of migrating planets [PDF]
, 2016 We present a new method that allows long-term and large-scale hydrodynamical simulations of migrating planets over a grid-based Eulerian code. This technique, which consists in a remapping of the disk by tracking the planetary migration, enables runs of ...
Beaugé, Cristian +3 more
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Influence of grain size and composition on the contraction rates of planetary envelopes and on planetary migration [PDF]
, 2021 Bertram Bitsch, Sofia Savvidou
openalex +1 more source
Resonant capture of multiple planet systems under dissipation and stable orbital configurations
, 2016 Migration of planetary systems caused by the action of dissipative forces may lead the planets to be trapped in a resonance. In this work we study the conditions and the dynamics of such resonant trapping.
Voyatzis, George
core +1 more source
Streaming Torque with Turbulent Diffusion
The Astrophysical JournalFast type I migration of (proto)planets poses a challenging problem for the core accretion formation scenario. We found that the dust-induced “Streaming Torque” (ST) may slow down or even reverse the planet migration in Q. Hou & C. Yu.
Qiang Hou, Cong Yu
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Effect of wind-driven accretion on planetary migration [PDF]
Astronomy & Astrophysics, 2019 Context. Planetary migration is a key link between planet formation models and observed exoplanet statistics. So far, the theory of planetary migration has focused on the interaction of one or more planets with an inviscid or viscously evolving gaseous disk.
C. N. Kimmig, C. P. Dullemond, W. Kley
openaire +2 more sources
The Orbital Stability of Planets Trapped in the First-Order Mean-Motion Resonances
, 2012 Many extrasolar planetary systems containing multiple super-Earths have been discovered. N-body simulations taking into account standard type-I planetary migration suggest that protoplanets are captured into mean-motion resonant orbits near the inner ...
Ida, Shigeru +2 more
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Core instability models of giant planet accretion II: forming planetary systems [PDF]
, 2008 We develop a simple model for computing planetary formation based on the core instability model for the gas accretion and the oligarchic growth regime for the accretion of the solid core. In this model several planets can form simultaneously in the disc,
A. Brunini, Safronov V., Y. Miguel
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On the formation time scale and core masses of gas giant planets
, 2003 Numerical simulations show that the migration of growing planetary cores may be dominated by turbulent fluctuations in the protoplanetary disk, rather than by any mean property of the flow.
Armitage, Philip J., Rice, W. K. M.
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