Results 1 to 10 of about 90,567 (226)

Planet heating prevents inward migration of planetary cores [PDF]

open access: greenNature, 2015
Planetary systems are born in the disks of gas, dust and rocky fragments that surround newly formed stars. Solid content assembles into ever-larger rocky fragments that eventually become planetary embryos. These then continue their growth by accreting leftover material in the disc.
Frederic Masset
exaly   +10 more sources

Terrestrial planetary plants: Essential preparations for interstellar migration

open access: goldCurrent Plant Biology
Interstellar migration offers great potential for expanding human habitable space. As a powerful entropy-reducing system, plants convert simple, disordered chemical elements into complex, ordered organic macromolecules.
Xiumei Luo   +3 more
doaj   +3 more sources

Planetary migration to large radii [PDF]

open access: bronzeMonthly Notices of the Royal Astronomical Society, 2007
Accepted for publication in ...
R. G. Martin   +3 more
openalex   +3 more sources

Is planetary migration inevitable? [PDF]

open access: green, 2003
According to current theories, tidal interactions between a disk and an embedded planet may lead to the rapid migration of the protoplanet on a timescale shorter than the disk lifetime or estimated planetary formation timescales. Therefore, planets can form only if there is a mechanism to hold at least some of the cores back on their way in.
Caroline Terquem
openalex   +5 more sources

Metallicity, planetary formation and migration [PDF]

open access: bronzeMonthly Notices of the Royal Astronomical Society, 2003
Recent observations show a clear correlation between the probability of hosting a planet and the metallicity of the parent star. Since radial velocity surveys are biased, however, towards detecting planets with short orbital periods, the probability-metallicity correlation could merely reflect a dependence of migration rates on metallicity.
Mario Livio, J. E. Pringle
openalex   +3 more sources

Planetary Migration and Plutino Orbital Inclinations [PDF]

open access: bronzeThe Astronomical Journal, 2000
I investigate which mechanisms could have acted during Neptune's past radial migration to excite plutino orbital inclinations to their present values. These processes include Kozai resonance and the ν18 secular resonance, both before and after the plutino's capture into the 2 : 3 mean motion resonance with Neptune. In the case that ν18 acted before the
R. S. Gomes
openalex   +2 more sources

Brownian Motion in Planetary Migration [PDF]

open access: greenThe Astrophysical Journal, 2006
A residual planetesimal disk of mass 10-100 Earth masses remained in the outer solar system following the birth of the giant planets, as implied by the existence of the Oort cloud, coagulation requirements for Pluto, and inefficiencies in planet formation. Upon gravitationally scattering planetesimal debris, planets migrate.
Ruth A. Murray‐Clay, Eugene I. Chiang
openalex   +4 more sources

Arthropod-borne disease challenges from planetary warming, urbanization, and migration [PDF]

open access: yesVirology Journal
As the world confronts simultaneous climate and health emergencies, the spread of emerging infectious diseases, particularly arboviruses, underscores the intersection of planetary health, global mobility, and disease risk. Viral pathogens like Oropouche,
Maggie L. Bartlett   +3 more
doaj   +2 more sources

Unconditional hospitality: art and commons under planetary migration

open access: yesJournal of Aesthetics & Culture, 2022
In both European and non-European cities, public spaces are formed by racist and segregative politics that influence everyday life. Planetary migration flows and recently implemented border politics tend to leave the most vulnerable in precarious ...
Pelin Tan
doaj   +2 more sources

Percolative sulfide core formation in oxidized planetary bodies [PDF]

open access: yesNature Communications
Models of planetary core formation traditionally involve the fractionation of Fe,Ni-metal melts from silicate mantles after extensive silicate melting.
Samuel D. Crossley   +9 more
doaj   +2 more sources

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