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Crash Course 天文篇

It's possible that several large protoplanets were forming, collided, and stuck together to really kickstart Jupiter's growth.

有可能一些大型原行星形成、碰撞、聚在一起,随后真正开启木星的成长。

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PBS太空科学

Why would we want to harvest tiny protoplanets?

为什么我们要收获微小的原行星?

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PBS太空科学

Asteroids are essentially little chunks of protoplanet that never made it.

小行星本质上是从未形成的原行星的小块。

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科学60秒-科学美 20202月合集

For decades, the thinking has been that four and a half billion years ago a Mars-sized protoplanet smashed into the Earth.

数十来,们一直认为是45前一颗火星大小的原行星撞击

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VOA慢速英语_科技

In this situation, protoplanets in the area surrounding a young star slowly grow out of dust- to large rock-sized solid objects.

在这种情况下,一颗轻恒星周围区域的原行星缓慢从尘埃演变成岩石大小的固态物体。

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科学60秒-科学美 20195月合集

For decades, the thinking has been that four and a half billion years ago a Mars-sized protoplanet smashed into the Earth.

几十来,们一直认为 45 前, 一颗火星大小的原行星撞向

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Crash Course 天文篇

As they got bigger — much bigger — these protoplanets eventually started to grow even faster by drawing in material around them due to their gravity.

随着聚合物变大,这些原始行星最终开始通过引力抓住周围物质而成长得愈发迅速。

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历史频道纪录片《宇宙》

It divides off the Earth and this colliding rough protoplanet into many different particles and then the evolution of each particle is tracked through the course of the impact.

她把和这个碰撞的粗野的原行星分别放入不同的粒子,接着不同粒子通过碰撞进行演变。

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VOA Special 20152月合集

Scientists call Vesta and Ceres " protoplanets." Mr. Rayman says they were in the process of becoming full-size planets when, in his words, " their growth was terminated."

科学家称谷神星和灶神星是原行星。雷曼称,在变成正常行星的过程中,它们的成长被终止。

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科学杂志:质学

Third—a period millions of years later, when these primordial particles began to clump together into protoplanets, while others—such as those that formed Aguas Zarcas —lay low in the cold void beyond Jupiter.

第三个时期——数百万后,当这些原始粒子开始聚集成原行星时, 而其他粒子——比如形成 Aguas Zarcas 的粒子——则位于木星以外的寒冷空洞中。

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PBS访谈环境系列

Ceres is known as a protoplanet, and that means that scientists believe it was in the process of forming, like a full-pledged planet, and its formation was suddenly halted, likely by the tremendous gravity of Jupiter.

谷神星被称为原行星,这意味着科学家认为它正处于形成过程中,就像一颗完整的行星,它的形成突然停止,可能是由于木星的巨大引力。

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