These disks are the remnants of planetary formation.

这些圆盘是行星形成的剩余物质.

Jay Melosh studies planetary impacts at Purdue University.

在普渡大行星撞击的杰伊·梅洛什说到。

So some planetary systems are aligned just so.

所以有些行星系就是这样列的。

It's going to some other planetary system.

而是去了其它星系。

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

行星天文家海蒂∙海莫向NASA递交了一项建议。

The timing issue has everything to do with planetary mechanics.

这一时间安与行星力有很大关系。

So, what do you eat on the planetary health diet?

那么，所谓对地球健康的饮食方式是以什么为食呢？

So planetary nebulae really may owe their existence to planets!

所以行星状星云的存在可能真的要归功于行星！

Or is the planetary model of the atom doubly wrong?

或是行星原子模型又错了?

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

加州喷气推进实验室的行星地球物理家布鲁斯·巴纳特说到。

Working on the origin of planetary systems is like being a detective.

行星系统的起源就像做一名侦探。

Mann added that he believes this pattern " is connected to human-caused planetary warming" .

曼恩补充说，他相信这种模式" 与人类造成的地球变暖有关" 。

The ocean also acts as a giant planetary air conditioner.

海洋还是一台巨大的空调，调节着地球的温度。

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

目前，另两项发表在 arXiv.org 上的新强化了行星论论点。

But the goals of interplanetary exploration and planetary preservation

我们地球上极端的环境 是外星人眼里的美景。

We have found so many different kinds of planetary systems in the galaxy.

我们在这个星系中发现了很多不同种类的行星系统。

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

史密森尼会天文台说，这是有史以来第一次从另一个行星体中找到它们。

And it may help straighten out some mysteries about how planetary systems form.

这或许有助于解开行星系统如何形成的某些谜团。

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

非常大，绝对是行星级的。

By the time we're ready to settle even the nearest other planetary systems.

到那时，我们准备好移民到即使是最近的星球的时候。