These disks are the remnants of planetary formation.

圆盘形成的剩余物质.

According to planetary formation models, that wasn't possible!

根据形成的模型，不可能的！

Should Mercury be stripped of its planetary status?

那么水应该被剥夺其地位吗？

It's going to some other planetary system.

而去了其它系。

That's a very common shape for planetary nebulae.

状云很常见的形状。

The Smithsonian Institution says they were the first ever retrieved from another planetary body.

史密森尼学会天文台说，有史以来第一次从另一个体中找到它们。

So some planetary systems are aligned just so.

所以有系就样排列的。

Jay Melosh studies planetary impacts at Purdue University.

在普渡大学研究撞击的杰伊·梅洛什说到。

Mercury brushes against another planetary embryo.

水与另一颗胚胎期擦肩而过。

This explosive planetary drama demands a dynamic human response.

场爆炸性的地球戏剧需要人类作出积极的反应。

The other, a planetary carcass gouged by millions of high velocity impacts.

另一个，一片死寂形成于大量碰撞。

So planetary astronomer, Heidi Hammel, submits a proposal to NASA.

天文学家海蒂∙海莫向NASA递交了一项建议。

The timing issue has everything to do with planetary mechanics.

一时间安排与力学有很大关系。

Or is the planetary model of the atom doubly wrong?

或原子模型又错了?

The planetary safety boundary of 1.5 degrees has not been reached.

地球还没有达到1.5度的安全界限。

The rockets will be used to study physics and planetary science.

火箭将用于研究物理学和科学。

And we see all the stars surrounded by completed planetary systems.

我们也知道所有恒都由完全形成的系统环绕。

Bruce Banerdt, a planetary geophysicist at the Jet Propulsion Lab in California.

加州喷气推进实验室的地球物理学家布鲁斯·巴纳特说到。

Now two new studies posted at arxiv.org have strengthened the planetary argument.

目前，另两项发表在 arXiv.org 上的新研究强化了论论点。

It's huge. It's planetary wide scale.

非常大，绝对级的。