A pebble accretion model for the formation of the terrestrial planets in the solar system

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

A pebble accretion model for the formation of the terrestrial planets in the solar system. / Johansen, Anders; Ronnet, Thomas; Bizzarro, Martin; Schiller, Martin; Lambrechts, Michiel; Nordlund, Åke; Lammer, Helmut.

In: Science Advances, Vol. 7, No. 8, eabc0444, 2021.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Johansen, A, Ronnet, T, Bizzarro, M, Schiller, M, Lambrechts, M, Nordlund, Å & Lammer, H 2021, 'A pebble accretion model for the formation of the terrestrial planets in the solar system', Science Advances, vol. 7, no. 8, eabc0444. https://doi.org/10.1126/sciadv.abc0444

APA

Johansen, A., Ronnet, T., Bizzarro, M., Schiller, M., Lambrechts, M., Nordlund, Å., & Lammer, H. (2021). A pebble accretion model for the formation of the terrestrial planets in the solar system. Science Advances, 7(8), [eabc0444]. https://doi.org/10.1126/sciadv.abc0444

Vancouver

Johansen A, Ronnet T, Bizzarro M, Schiller M, Lambrechts M, Nordlund Å et al. A pebble accretion model for the formation of the terrestrial planets in the solar system. Science Advances. 2021;7(8). eabc0444. https://doi.org/10.1126/sciadv.abc0444

Author

Johansen, Anders ; Ronnet, Thomas ; Bizzarro, Martin ; Schiller, Martin ; Lambrechts, Michiel ; Nordlund, Åke ; Lammer, Helmut. / A pebble accretion model for the formation of the terrestrial planets in the solar system. In: Science Advances. 2021 ; Vol. 7, No. 8.

Bibtex

@article{ffec5bfed8ce4e6ead77c7d2fbd1881f,
title = "A pebble accretion model for the formation of the terrestrial planets in the solar system",
abstract = "Pebbles of millimeter sizes are abundant in protoplanetary discs around young stars. Chondrules inside primitive meteorites-formed by melting of dust aggregate pebbles or in impacts between planetesimals-have similar sizes. The role of pebble accretion for terrestrial planet formation is nevertheless unclear. Here, we present a model where inward-drifting pebbles feed the growth of terrestrial planets. The masses and orbits of Venus, Earth, Theia (which later collided with Earth to form the Moon), and Mars are all consistent with pebble accretion onto proto-planets that formed around Mars' orbit and migrated to their final positions while growing. The isotopic compositions of Earth and Mars are matched qualitatively by accretion of two generations of pebbles, carrying distinct isotopic signatures. Last, we show that the water and carbon budget of Earth can be delivered by pebbles from the early generation before the gas envelope became hot enough to vaporize volatiles.",
author = "Anders Johansen and Thomas Ronnet and Martin Bizzarro and Martin Schiller and Michiel Lambrechts and {\AA}ke Nordlund and Helmut Lammer",
year = "2021",
doi = "10.1126/sciadv.abc0444",
language = "English",
volume = "7",
journal = "Science advances",
issn = "2375-2548",
publisher = "American Association for the Advancement of Science",
number = "8",

}

RIS

TY - JOUR

T1 - A pebble accretion model for the formation of the terrestrial planets in the solar system

AU - Johansen, Anders

AU - Ronnet, Thomas

AU - Bizzarro, Martin

AU - Schiller, Martin

AU - Lambrechts, Michiel

AU - Nordlund, Åke

AU - Lammer, Helmut

PY - 2021

Y1 - 2021

N2 - Pebbles of millimeter sizes are abundant in protoplanetary discs around young stars. Chondrules inside primitive meteorites-formed by melting of dust aggregate pebbles or in impacts between planetesimals-have similar sizes. The role of pebble accretion for terrestrial planet formation is nevertheless unclear. Here, we present a model where inward-drifting pebbles feed the growth of terrestrial planets. The masses and orbits of Venus, Earth, Theia (which later collided with Earth to form the Moon), and Mars are all consistent with pebble accretion onto proto-planets that formed around Mars' orbit and migrated to their final positions while growing. The isotopic compositions of Earth and Mars are matched qualitatively by accretion of two generations of pebbles, carrying distinct isotopic signatures. Last, we show that the water and carbon budget of Earth can be delivered by pebbles from the early generation before the gas envelope became hot enough to vaporize volatiles.

AB - Pebbles of millimeter sizes are abundant in protoplanetary discs around young stars. Chondrules inside primitive meteorites-formed by melting of dust aggregate pebbles or in impacts between planetesimals-have similar sizes. The role of pebble accretion for terrestrial planet formation is nevertheless unclear. Here, we present a model where inward-drifting pebbles feed the growth of terrestrial planets. The masses and orbits of Venus, Earth, Theia (which later collided with Earth to form the Moon), and Mars are all consistent with pebble accretion onto proto-planets that formed around Mars' orbit and migrated to their final positions while growing. The isotopic compositions of Earth and Mars are matched qualitatively by accretion of two generations of pebbles, carrying distinct isotopic signatures. Last, we show that the water and carbon budget of Earth can be delivered by pebbles from the early generation before the gas envelope became hot enough to vaporize volatiles.

U2 - 10.1126/sciadv.abc0444

DO - 10.1126/sciadv.abc0444

M3 - Journal article

C2 - 33597233

VL - 7

JO - Science advances

JF - Science advances

SN - 2375-2548

IS - 8

M1 - eabc0444

ER -

ID: 260357868