- Gliese 1214 b
migration and originate as protoplanet s that formed from volatiles volatile ice rich material beyond ... more details
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- Asteroid
, 2 Pallas , and 4 Vesta , grew to the stage of protoplanet s. Ceres has been classified as a dwarf .......39.3519S ref and are thought to be surviving protoplanet s. The vast majority, however, are much ... , are remnant protoplanet s that share many characteristics common to planets, and are atypical ... more details
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- History of Solar System formation and evolution hypotheses
history Protoplanet theory In 1960, William McCrea astronomer W. H. McCrea proposed the protoplanet ... picture of the nebular hypothesis is widely accepted, ref e. g. cite journal title Formation of Protoplanet ... more details
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- Clathrate hydrate
and incorporated in the planetesimal s flying in the Protoplanet protoplanets feeding zones. Kieffer ... more details
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- Timeline of natural history
forms, possibly as a result of a glancing collision between proto Earth and the hypothetical protoplanet ... more details
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- 4 Vesta
. Vesta is thought to be a remnant protoplanet with a Planetary differentiation differentiated ... resurfaced in this manner. Because of this, some scientists refer to Vesta as a protoplanet, rather ... more details
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- Dawn (spacecraft)
were chosen as two contrasting protoplanet s, the first one apparently wet that is, icy and the other ... two of the largest protoplanet s remaining intact since their formation. ref name Objectives cite ... more details
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- Geology of solar terrestrial planets
process and continued to slowly grow into protoplanet s by accretion of planetesimals of similar composition. ref name Arizona After the protoplanet formed, accumulation of heat from radioactive decay ... more details
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- Ocean
water. Comet s, trans Neptunian object s or water rich meteorite s protoplanet s from the outer reaches ... more details
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- Planetary mass
Planet for Life? ref If the protoplanet grows by accretion astrophysics accretion to more than about ... more details
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- Ceres (dwarf planet)
a surviving protoplanet planetary embryo , which formed 4.57 billion years ago in the asteroid ... 62D6Hmyrx date 2011 10 05 ref Another possible protoplanet, 4 Vesta Vesta , is less than ... more details
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- Earth
water delivered by asteroids and the larger Protoplanet proto planets , comet s, and trans Neptunian ... more details
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- Planet
to form protoplanet s. ref Cite journal first G. W. last Wetherill title Formation of the Terrestrial ... author Inaba, S. Ikoma, M. title Enhanced Collisional Growth of a Protoplanet that has an Atmosphere ... more details
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- History of the Earth
the means by which kilometer sized protoplanet s began to form, orbiting the nebular center. ref ... Earth was impacted by a smaller protoplanet , which ejected part of the Mantle geology mantle and crust ... more details
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- List of unconfirmed extrasolar planets
Imaging ref cite journal title A Candidate Protoplanet in the Taurus Star forming Region author Tereby ... more details
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- Asteroid belt
protoplanet s. Between Mars and Jupiter , however, gravity gravitational perturbations from the giant ... more details
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- Definition of planet
of the formation and evolution of the Solar System that as the earliest protoplanet s emerged from ... more details
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- Solar System
..36..281B last2 Steel ref Ceres Ceres dwarf planet Ceres 2.77 AU is the largest asteroid, a protoplanet ... more details
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- Uranus
protoplanet collided with Uranus, causing the skewed orientation. ref cite book author Bergstralh ... more details
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- Formation and evolution of the Solar System
University title Disc Protoplanet interactions url http cfa www.harvard.edu kstanek astro200 disk ... more details
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