評論
打印
There are some basic things you should know about Mars before leaving home .
在離開家奔赴火星前有一些基本的東西你應該知道。
Most days will be clear as sunny and cold.
火星上的大多數日子將是陽光明媚但非常寒冷。
The average temperature on the Mars is as bitter as mid-winter in the Arctic,
火星上的平均溫度和北極的冬天中旬一樣寒冷,
and about half the diameter of the earth Mars is a hemi size,
約地球一半的大小，而火星只有一半大小，,
but it's much less denser than the earth with about a third of the gravity.
因此只有大約三分之一重力的火星的密度比地球更小。
Surprisingly the actual suface area is almost as exactly the same as all the dry land on the earth shrank together without the oceans.
但令人驚訝的是實際的表面面積幾乎是一樣的，都和地球一樣沒有海洋，只有干癟的土地收縮在一起。
Build up freeways and you can drive on Mars in a couple of week.
建立的高速公路讓您能在火星上行駛幾星期。
And driving on Mars is exactly what planetary scientist Steve Square has been doing since 2004 .
在火星上駕駛正是行星科學家史蒂夫·斯考爾自2004年以來一直在做的事情。
Not in person but via NASA's two offroad robot rovers SPIRIT and OPPORTUNITY.
沒有人駕駛,但是通過美國NASA的兩個機器人漫游車勇氣號和機遇號。
For all of us here on the earth the snapshot sent back by these forward scouts are the next best things to standing on Mars in the spacesuit.
這些先行軍為在地球上的我們發回了照片，而下一步最好的事情就是身著宇航服踏上火星。
We very consciously give these robots some human like quality.
我們有意識地給予這些機器人和真人一樣的特質。
All the cameras are about this high off the grounds at same height as human eyes.
所有的攝像機都位于很高的位置，就像人類的眼睛處于同樣的高度一樣。
注：聽力文本來源于普特
