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Forming planets via pebble accretion
The detection and characterization of large populations of pebbles in protoplanetary disks
have motivated the study of pebble accretion as a driver of planetary growth. This review …
have motivated the study of pebble accretion as a driver of planetary growth. This review …
Dust evolution and the formation of planetesimals
The solid content of circumstellar disks is inherited from the interstellar medium: dust
particles of at most a micrometer in size. Protoplanetary disks are the environment where …
particles of at most a micrometer in size. Protoplanetary disks are the environment where …
Bifurcation of planetary building blocks during Solar System formation
Geochemical and astronomical evidence demonstrates that planet formation occurred in two
spatially and temporally separated reservoirs. The origin of this dichotomy is unknown. We …
spatially and temporally separated reservoirs. The origin of this dichotomy is unknown. We …
Planet formation theory in the era of ALMA and Kepler: from pebbles to exoplanets
J Drazkowska, B Bitsch, M Lambrechts… - ar** by the streaming instability
The streaming instability (SI) is a mechanism to aerodynamically concentrate solids in
protoplanetary disks and trigger the formation of planetesimals. The SI produces strong …
protoplanetary disks and trigger the formation of planetesimals. The SI produces strong …
Origin of water in the inner Solar System: Planetesimals scattered inward during Jupiter and Saturn's rapid gas accretion
There is a long-standing debate regarding the origin of the terrestrial planets' water as well
as the hydrated C-type asteroids. Here we show that the inner Solar System's water is a …
as the hydrated C-type asteroids. Here we show that the inner Solar System's water is a …
Pebble-isolation mass: Scaling law and implications for the formation of super-Earths and gas giants
B Bitsch, A Morbidelli, A Johansen, E Lega… - Astronomy & …, 2018 - aanda.org
The growth of a planetary core by pebble accretion stops at the so-called pebble isolation
mass, when the core generates a pressure bump that traps drifting pebbles outside its orbit …
mass, when the core generates a pressure bump that traps drifting pebbles outside its orbit …
Formation of planetary systems by pebble accretion and migration-How the radial pebble flux determines a terrestrial-planet or super-Earth growth mode
Super-Earths–planets with sizes between the Earth and Neptune–are found in tighter orbits
than that of the Earth around more than one third of main sequence stars. It has been …
than that of the Earth around more than one third of main sequence stars. It has been …
The growth of planets by pebble accretion in evolving protoplanetary discs
The formation of planets depends on the underlying protoplanetary disc structure, which in
turn influences both the accretion and migration rates of embedded planets. The disc itself …
turn influences both the accretion and migration rates of embedded planets. The disc itself …
Ammoniated phyllosilicates with a likely outer Solar System origin on (1) Ceres
Studies of the dwarf planet (1) Ceres using ground-based and orbiting telescopes have
concluded that its closest meteoritic analogues are the volatile-rich CI and CM …
concluded that its closest meteoritic analogues are the volatile-rich CI and CM …