protoplanets

原行星

常用释义

原行星

扩展信息

原行星

是次讲座将会探讨原行星(protoplanets)如何从太阳星云(solar nebula)中从太阳形成时遗留下来的星尘及气体中吸积(accretion) …

例句

While the protoplanets were coming into existence the sun was still dark.

当原行星刚刚形成时，太阳还是暗淡无光的。

When protoplanets accrete more material, the energy at impact causes local heating.

当微行星增加更多的物质，撞击的能量会造成局部的加热。

These were the protoplanets from which the planets of the present developed.

这些就是原行星，现在的行星正是从它们演化而来的。

In this way the number of protoplanets lessened.

这样protoplanets的数量变小了。

These protoplanets would gradually exert a gravitational pull on the local volume of space, pulling in more and more material.

这些原行星会逐渐在原太空中施加引力，吸收越来越多的物质。

Model suggests how protoplanets kept a safe distance from the sun

动态模拟证明原行星是怎样保持与太阳之间有一个安全的距离。