The best scientific exploration sounded like a fairytale.
當時最好的科學理論就像是童話故事。
My second grade teacher Mrs. McGonigle read it to us.
我的二年級老師麥戈尼格爾女士告訴我們。
The dinosaurs had small brains. They were stupid.
恐龍的腦非常小 它們很愚蠢。
So mice and bats beat up the dinosaur and took their food.
老鼠和蝙蝠打敗了恐龍 搶走了它們的食物。
Really.
真的。
But in my lifetime, everybody.
但在我一生的時間里。
We discovered the meteor impact crater near Chicxulub New Mexico.
我們在新墨西哥??颂K魯伯發現了巨大的隕石坑。
The ejecta from that collision shot out over a diameter bigger than the earth itself.
碰撞產生的噴射物 直徑要比地球本身還要大。
It went halfway to the moon.
達到了地月距離的一半。
It was like science fiction except that it was real.
聽起來就像科幻小說 不過它是真實的。
And by the way
順便說下。
As a result of that discovery in last year's airburst over Chelyabinsk, Russia.
去年俄羅斯車里雅賓斯克上空的空中爆炸。
And the very near miss of asteroid 2012 DA14.
以及小行星2012 DA14的擦肩而過。
People were at last appreciating the astonishing threat of an asteroid impact.
讓人們開始意識到小行星撞擊的可怕威脅。
You all are the first generation of.
你們將成為第一代。
Engineers, scientists, educators and foreign-policy wonks.
工程師 科學家 教育者 外交政策制定者。
Who can get humankind to do something about an incoming asteroid.
來讓人類對可能的小行星撞擊做點什么。
It is the only preventable natural disaster.
這是唯一可以避免的自然災害。
What are you going to do? You're going to have a kinetic impactor.
怎么做呢 你可以發明一個動力撞擊器。
Like solar sail spacecraft.
或是太陽帆太空船。
A swarm of rock vaporizing lasers in space.
可以發射讓巖石蒸發的激光。
It's going to have to be something someday.
某天 總會有這類東西。
So we are counting on you.
我們需要指望你們。
I'm claiming that there will be similar world changing discoveries.
我敢肯定 在你們這一生中。
In the coming years in your life.
世界肯定會發生類似變革。
For example recently we've come to know that.
例如最近 我們開始知道。
The universe is bigger than anyone ever thought.
宇宙比以往任何人想象的都要大。
Not only that.
此外。
It's getting bigger faster, its expansion is accelerating.
它還在越來越快地變大 膨脹正在加速。