protoplanet
英 [prəʊtə'plænɪt] 美 [proʊtə'plænɪt]

n.

原行星；

英英释义

Protoplanet

• Protoplanets are large planetary embryos that originate within protoplanetary discs and have undergone internal melting to produce differentiated interiors. They are believed to form out of kilometer-sized planetesimals that attract each other gravitationally and collide.

以上来源于:Wikipedia

双语例句

用作名词(n.)

1. In the meantime the protoplanet cores were proceeding to consolidate.
   在此期间，原行星的核开始凝成。

权威例句

Protoplanet
Protoplanet
Protoplanet
Protoplanet Migration by Nebula Tides ☆
Giant gaseous protoplanet formation?
Formation of Protoplanet Systems and Diversity of Planetary Systems
The Formation of Protoplanet Systems and the Diversity of Planetary Systems
Scattering of Planetesimals by a Protoplanet: Slowing Down of Runaway Growth
Evolution of the Solar Nebula. IV. Giant Gaseous Protoplanet Formation
Gas Giant Protoplanet Formation: Disk Instability Models with Detailed Thermodynamics and Varied Artificial Viscosity
Reversing type II migration: resonance trapping of a lighter giant protoplanet
A vaporization model for iron/silicate fractionation in the Mercury protoplanet
Global hydromagnetic simulations of a planet embedded in a dead zone: gap opening, gas accretion and formation of a protoplanetary jet