05 science explores in antarctica

因为某些学业上的不可抗力因素而托更了一周，致歉（土下座）

Hi! It's Evelyn! Today we are going to talk about: science explores in antarctica.今天我们来讲讲，南极的探索与发现。

Scientists always say: ice is like a time machine. Because we can know lot things in the past from the ice. Each layer of snow contains clues to what happening in the world. By drilling out cores from the polar ice, scientists can unlock the past and learn about volcanic eruptions, forest fires, dust storms and tempreture changes that occurred up to 75000(seventy five thousand) years ago.

In antarctica, Except for water and ice and organism, there is still 1 kind of thing that is common and easy to find, and that is meteorite. You might think meteorite is very rare, but in antarctica, if you see a stone, that’s absolutely meteorite，it's so easy to see, Nomand is a robotic meteorite hunter that can tell difference between a meteorite and a normal rock. Some of the meteorites it   found had come from the mars.

The only place colder than antarctica is outer space, so it is the best place on the earth to text the space robots and machines of the future. Underwater vehicle Endurance has been studying Lake Bonney, but one day it might explore the ocean that sciensists believe lifes beneath the icy crust of Europa, one of the Jupiter's largest moons.

科学家们总是说：冰 这种东西，就像一个时光机。因为很多过去的事情都能在冰里面找到答案。每一层雪都会包裹着有关以前的世界的线索。科学家们可以通过钻开冰层的方式，解开几千几万年前的谜题，像是火山喷发，森林大火，沙尘风暴和气候变化。

在南极洲，除了水，冰，和生物，还有一种东西很容易找到，那就是陨石。你可能觉得陨石是一种特别稀有又昂贵的东西，但是在南极洲，只要你在白花花的冰面上发现了一块黑色的石头，那这块石头就绝对是陨石，真的很很容易找。诺曼德是一个机器人陨石猎手，它可以分辨出陨石的真假和性质。诺曼德发现了，有一些陨石是来自火星的。

唯一一个比地球上的南极还冷的地方，就是外太空了。所以南极洲是最适合测试那些以后可能要去太空的机器的地方。一个叫恩多拉的潜水艇曾经探索过南极洲的邦尼湖，但是以后，它的可能要被改造，然后去到遥远的木星卫星——欧罗巴的冰层之下，被科学家认为可能有地外生命存在的海洋去探索，真是期待它的发现。