Can we really harness an asteroid?

们真能控制小行星吗?

This gives the asteroid a small kick in the opposite direction.

这为小行星提供了反方向微弱推进。

Blasting the asteroid, Hollywood style, could overcome these forces.

将小行星爆破——好莱坞大片作风，兴许能摆脱这些引。

It's going to attempt to move an asteroid.

NASA将试图移动颗小行星。

At least we had an asteroid, what's your excuse?

至少恐龙可以怪小行星，你们有什么借口？

Before that I was a planet and I was an asteroid.

之前曾是行星，也曾是矮行星。

Now NASA is planning to reboot WISE to find more asteroids.

现在，NASA准备重启智慧号，让其发现更多小行星。

There were many planets and asteroids circling the sun.

太阳周围有许多行星和小行星。

But an asteroid zipped by us yesterday.

但是们昨天同颗小行星擦身而过。

Asteroids are also called minor planets, not to be confused with dwarf planets like Pluto.

小行星又被成为微型行星，不要把它和像冥王星这样矮行星混淆了。

Fungi can release a variety of chemical-degrading enzymes capable of dissolving carbon-rich asteroids into soil.

真菌可以释放多种化学降解酶，能够溶解富含碳物质小行星为土壤。

They believe the most likely candidates are now asteroids that formed closer to the Sun.”

他们认为最可能因素是在太阳附近形成小行星。”

There are an estimated 10,000 known asteroids orbiting our region of the inner solar system.

据估计们太阳系内部区域有10000颗已知小行星。

NASA didn't miss another asteroid that's headed our way.

美国国家航空航天局没有错过另颗逼近地球小行星。

None of the asteroids in our solar system look like that.

太阳系中小行星也没有这种形状。

There's not really a hard-and-fast definition of what's an asteroid and what isn't.

对于哪些是小行星、哪些不是，并没有个确切定义。

In this case, an asteroid hitting the Earth.

在这个例子中，坏事为颗小行星撞击地球。

Still, this mission is going to demonstrate how you might deflect a planet-killing asteroid.

不过，这次任务将演示如何使毁灭地球小行星偏离轨道。

Oh, Leonard, great news. We discovered a mediumsized asteroid together.

莱纳德，好消息，们起发现了颗中型小行星。

Closer in, in the asteroid belt.

在接近点，在小行星带里。