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That's the problem with comets.
那一定是彗星惹的禍
They're creators and destroyers
彗星是創造者，同是也是毀滅者
as the dinosaurs the hard way
就像恐龍的遭遇
This is the needle in the cosmic haystack
這就是那根宇宙海洋里的針
the closest we've come to a habitable solar system like our own
是最像我們太陽系的那樣適宜生存的太陽系
but it's a chance encounter.
但這只是碰巧而已
There could be hundreds
宇宙中可能有上億個
millions more solar systems like this out there or none at all.
類似的太陽系，也可能一個都沒有
Some of the atmosphere on this planet, Bellerophon
行星柏勒羅豐的大氣層
is being boiled away by its nearby star.
正在被它附近的恒星蒸發掉
From Earth, we can't see planets this far out.
我們在地球看不到距離這么遠的行星
They're obscured by the brilliance of their neighboring stars.
他們都被周圍的恒星耀眼的光輝掩蓋住了
But the planets have a minute gravitational pull on those stars.
不過行星對恒星施加微小的引力作用
Measure these tiny movements and we can prove they exit
通過測量的種微小移動我們就能證明這些行星的存在
That's how we tracked down Bellerophon in the 1990's
我們就是這樣在1990年代發現行星柏勒羅豐
and hundreds of other distant planets
還發現了數百顆其他遙遠行星
Sixty-five light years from Earth
距離地球65光年
turn on your TV here and you'd pick up Hitler's Berlin Olympics
如果在這里打開電視，那么你會收看到希特勒的柏林奧運會
The twin stars of Algol.
雙星，大陵五(英仙座β)
Known to the ancients as the demon star
自古人們就稱它為惡魔之星
From Earth, it appears to blink as one star passes across the other.
當其中一個遮住另一顆時，從地球看就像在眨眼睛
Up close, it's even stranger.
近距離觀察更奇怪
One star is being sucked towards the other
其中一顆恒星正被在另一顆吸引過去
Almost 100 light years from home
這里距離地球接近100光年
faint whispers from one of the first ever radio broadcasts
最早的無線電廣播信號也只是模糊的低語
