planetesimals

planetesimals

美 　英

• n.【天】微星(的)
• 網絡微行星；星子；微行星體

詞形變化

復數：planetesimals  

英漢解釋

n.	1. 【天】微星(的)

英英解釋

n.	1. a small rocky astronomical object thought to have orbited the Sun in the early stages of the solar system before coalescing with others to form the planets

例句

Over the next 100 million years, the planets swept up some of these planetesimals and deflected the rest into the sun.

接下來的一億年里，行星清除了一部份的微行星，并迫使其他的微行星偏折而投入太陽之中。

But a recent study by an MIT planetary scientist suggests that the planetesimals themselves provided the water that created oceans.

但最近進行的一項麻省理工學院的行星科學家的研究表明，星子（planetesimals）自己提供了形成海洋的水。

While this process had been modeled previously, no one had investigated whether water in planetesimals could produce oceans.

雖然這進程以前已經建模但沒有人確定星子（planetesimals）中的水能否產生海洋。

Small town with the state, from large roadside and the planetesimals out of the officials most is the fire dragon dance to bring luck then?

小城連州，從大路邊與星子出的官員最多，是不是舞火龍帶來的運氣呢？

The planets transferred their random motion to the doomed planetesimals and entered into circular or almost circular orbits.

行星因此把它們隨機運動的動量，移轉給那些命運悲慘的微行星，而進入近乎圓形的軌道中。

The Earth was made by the collision of billions of planetesimals, chunks of rock and ice much like today's asteroids and comets .

地球是由數十億顆星子（即由大塊巖石、像今天的小行星和慧星般大小的冰組成）碰撞而成。

One idea is that after the planets nearly formed, a substantial swarm of planetesimals still remained.

一個可能的想法是，在行星快完成時，仍剩下許多的微行星。