火星

According to another theory cited by Knoll,"a large meteorite may have sterilized life on Mars."

根据诺尔提到的另一项理论，「火星生物灭绝的原因可能来自大颗陨石。

To land more mass you have to have more drag.

要想让更重的物体在火星表面成功降落，你就必须让它产生更大阻力。

Reread the case study about the Mars Polar Lander, and you'll see why this is the wrong approach.

再读一遍火星极地登陆者的学习案例，您会发现为什么这样的想法是错误的。

Communication is not expected and is considered highly unlikely following the extended period of frost on the lander.

在被霜覆盖的图片中，即使更暗一些的地方，也比2008年拍摄的没霜的图片中"凤凰"号周围火星土壤的亮度更亮。

The landing craft are expected to touch down on Mars in January 2004 and deploy the robot rovers shortly thereafter.

这是由美国太空总署开发的太空探测器，是一对一模一样的探测器，分别会在6月8日及25日发射，2004年1月会抵达火星。

The mission's main objective was to show that low-cost Mars landings and exploration are feasible .

此次任务主要的目的在证明低成本的火星登陆与探勘是可行的。

At present, it takes months to carry large numbers of people to Mars.

目前我们的航天飞机需要花几个月的时间才能把大批的人送上火星。

We've put people on the moon, sent probes to Mars and Venus, lofted satelites near the sun (within a few tens of millions of miles), and one satellite even left the solar system a few years ago.

我们已经把人送上了月球，向火星和金星发射了探测器，把卫星发射到了太阳附近，甚至一个卫星已在几年前离开了太阳系。

At work, with Mars in Leo, it's clear you are working too hard.

在工作中，藉由狮子座的火星，它是完全你正在太努力工作。

But that, as the European experiment may demonstrate, raises the possibility of the first human Martians. Perhaps it would be better to stick to more psychologically robust and less libidinous space explorers: robots.

像这个欧洲实验可能证明的那样，若不能进一步提高第一个人类火星人的可能性，可能送一些心理更稳定、性欲更少一些的空间探索者上天会更好点，那就是：机器人。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！