Results 1 to 10 of about 5,220,245 (377)

Terrestrial planet formation from lost inner solar system material. [PDF]

open access: yesSci Adv, 2021
An integrated assessment of isotopic variations among meteorites reveals the process by which Earth and Mars are formed.
Burkhardt C   +6 more
europepmc   +3 more sources

Exploring the link between star and planet formation with Ariel. [PDF]

open access: yesExp Astron (Dordr), 2022
The goal of the Ariel space mission is to observe a large and diversified population of transiting planets around a range of host star types to collect information on their atmospheric composition. The planetary bulk and atmospheric compositions bear the
Turrini D   +24 more
europepmc   +3 more sources

The distribution of volatile elements during rocky planet formation [PDF]

open access: yesFrontiers in Earth Science, 2023
Core segregation and atmosphere formation are two of the major processes that redistribute the volatile elements—hydrogen (H), carbon (C), nitrogen (N), and sulfur (S)—in and around rocky planets during their formation.
Terry-Ann Suer   +5 more
doaj   +2 more sources

Sculpting the valley in the radius distribution of small exoplanets as a by-product of planet formation: the core-powered mass-loss mechanism. [PDF]

open access: yesMon Not R Astron Soc, 2019
Recent observations revealed a bimodal radius distribution of small, short-period exoplanets with a paucity in their occurrence, a radius 'valley', around 1.5-2.0 R⊕.
Gupta A, Schlichting HE.
europepmc   +3 more sources

Formation of terrestrial planet cores inside giant planet embryos [PDF]

open access: bronze, 2011
Giant planet embryos are believed to be spawned by gravitational instability in massive extended (R ~ 100 AU) protostellar discs. In a recent paper we have shown that dust can sediment inside the embryos, as argued earlier by Boss (1998) in a slightly ...
Sergei Nayakshin
openalex   +3 more sources

Connecting planet formation and astrochemistry: C/Os and N/Os of warm giant planets and Jupiter analogues [PDF]

open access: greenAstronomy & Astrophysics, 2020
The chemical composition of planetary atmospheres has long been thought to store information regarding where and when a planet accretes its material. Predicting this chemical composition theoretically is a crucial step in linking observational studies to
A. Cridland   +3 more
openalex   +3 more sources

Constraining planet formation around 6–8 M⊙ stars [PDF]

open access: bronze, 2020
Identifying planets around O-type and B-type stars is inherently difficult; the most massive known planet host has a mass of only about 3M⊙. However, planetary systems which survive the transformation of their host stars into white dwarfs can be detected
Dimitri Veras   +6 more
openalex   +5 more sources

Pebble-driven planet formation for TRAPPIST-1 and other compact systems [PDF]

open access: bronzeAstronomy & Astrophysics, 2019
Recently, seven Earth-sized planets were discovered around the M-dwarf star TRAPPIST-1. Thanks to transit-timing variations, the masses and therefore the bulk densities of the planets have been constrained, suggesting that all TRAPPIST-1 planets are ...
Djoeke Schoonenberg   +3 more
openalex   +3 more sources

Interstellar ices as carriers of supernova material to the early solar system [PDF]

open access: yesNature Communications
Planetary materials show systematic variations in their nucleosynthetic isotope compositions that resonate with orbital distance. The origin of this pattern remains debated, limiting how these isotopic signatures can be used to trace the precursors of ...
Martin Bizzarro   +12 more
doaj   +2 more sources

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