Results 41 to 50 of about 21,167 (278)
Dust Evolution in Protoplanetary Discs and the Formation of Planetesimals [PDF]
Space Science Reviews, 2018 After 25 years of laboratory research on protoplanetary dust agglomeration, a consistent picture of the various processes that involve colliding dust aggregates has emerged. Besides sticking, bouncing and fragmentation, other effects, like, e.g., erosion
J. Blum
semanticscholar +1 more source
The fate of planetesimals formed at planetary gap edges [PDF]
Astronomy & Astrophysics, 2020 The presence of rings and gaps in protoplanetary disks are often ascribed to planet–disk interactions, where dust and pebbles are trapped at the edges of planetary-induced gas gaps.
L.E.J. Eriksson, T. Ronnet, A. Johansen
semanticscholar +1 more source
Planets in Binaries: Formation and Dynamical Evolution
Galaxies, 2019 Binary systems are very common among field stars, yet the vast majority of known exoplanets have been detected around single stars. While this relatively small number of planets in binaries is probably partly due to strong observational biases, there is,
Francesco Marzari, Philippe Thebault
doaj +1 more source
Journal of Geophysical Research: Planets, 2020 The meteorite paleomagnetic record indicates that differentiated (and potentially, partially differentiated) planetesimals generated dynamo fields in the first 5–40 Myr after the formation of calcium‐aluminum‐rich inclusions (CAIs).
K. Dodds +3 more
semanticscholar +1 more source
From stellar nebula to planetesimals [PDF]
, 2014 Solar and extrasolar comets and extrasolar planets are the subject of numerous studies in order to determine their chemical composition and internal structure.
Alibert, Yann +4 more
core +2 more sources
Erosion of planetesimals by gas flow [PDF]
Astronomy & Astrophysics, 2020 The first stages of planet formation take place in protoplanetary disks that are largely made up of gas. Understanding how the gas affects planetesimals in the protoplanetary disk is therefore essential.
Noemi Schaffer +4 more
semanticscholar +1 more source
Universe, 2022 Questions regarding how primordial or pristine the comets of the solar system are have been an ongoing controversy. In this review, we describe comets’ physical evolution from dust and ice grains in the solar nebula to the contemporary small bodies in ...
Jürgen Blum +2 more
doaj +1 more source
On the filtering and processing of dust by planetesimals 1. Derivation of collision probabilities for non-drifting planetesimals [PDF]
, 2013 Context. Circumstellar disks are known to contain a significant mass in dust ranging from micron to centimeter size. Meteorites are evidence that individual grains of those sizes were collected and assembled into planetesimals in the young solar system ...
Guillot, Tristan +2 more
core +2 more sources
Formation of rocky and icy planetesimals inside and outside the snow line: effects of diffusion, sublimation, and back-reaction [PDF]
Astronomy & Astrophysics, 2019 Context. Streaming instability is a possible mechanism to form icy planetesimals. It requires special local conditions such as a high solid-to-gas ratio at the midplane and typically more than a centimeter in size (Stokes number >0.01).
R. Hyodo, S. Ida, S. Charnoz
semanticscholar +1 more source
Planetesimals in rarefied gas: wind erosion in slip flow [PDF]
, 2020 A planetesimal moves through the gas of its protoplanetary disc where it experiences a head wind. Though the ambient pressure is low, this wind can erode and ultimately destroy the planetesimal if the flow is strong enough. For the first time, we observe
T. Demirci +5 more
semanticscholar +1 more source