Definition of Protoplanet. Meaning of Protoplanet. Synonyms of Protoplanet

- A protoplanet is a large planetary embryo that originated within a protoplanetary disk and has undergone internal melting to produce a differentiated...
- about direct interactions with planetary regoliths. Ceres is a surviving protoplanet that formed 4.56 billion years ago; alongside Pallas and Vesta, one of...
- Theia (/ˈθiːə/) is a hypothesized ancient planet in the early Solar System which, according to the giant-impact hypothesis, collided with the early Earth...
- asteroid to have been discovered, after Ceres, and is likely a remnant protoplanet. Like Ceres, it is believed to have a mineral composition similar to...
- the m**** of the asteroid belt. Vesta is the only known remaining rocky protoplanet (with a differentiated interior) of the kind that formed the terrestrial...
- gravitationally bound and can mimic protoplanets. In the case of GoHam b it is not clear if it is a protoplanet or just a disk fragment. JWST NIRCam...
- attracted each other, coalescing to form ever larger bodies. Hundreds of protoplanets may have existed in the early Solar System, but they either merged or...
- through mutual gravity, enormously aiding further growth into moon-sized protoplanets. Smaller bodies must instead rely on Brownian motion or turbulence to...
- condensed into the oceans, augmented by water and ice from asteroids, protoplanets, and comets. Sufficient water to fill the oceans may have been on Earth...
- Sahara Desert in Algeria. It is believed to be a fragment of a chondritic protoplanet that is over 4.566 billion years old, and is believed to be the oldest...