How does the Martian atmosphere's density change at different elevations?

火星的大气密度如何随着高度变化？

Do we do some form of Martian orbit rendezvous?

我们是否进行某种形式的火星轨道交会？

That's a 1,700-square-foot Martian habitat inside a building in Houston.

这是个位于休斯顿的筑内的占地1700平方英尺的火星栖息地。

But that things like tomatoes carrots and other crops could grow in simulated Martian soil.

像是番茄、胡萝卜等等可以生长模拟的火星土壤。

In 1999, a 125 million dollar satellite sent to Mars, disappeared in the Martian atmosphere.

1999 年，枚发射到火星、价值 1.25 亿美金的人造卫星，火星大气层消失。

We're going to need the ability to convert the martian atmosphere into breathable oxygen.

我们需要能将火星大气转化为可供呼吸的氧气的能力。

The worst part is when you're coming to contact with the Martian surface.

最糟糕的是当你来到火星表面。

Come on, Ali. There're no Martians. Mars is lifeless.

，阿里，根本没有火星人，火星上没有生命。

He doesn't know how to talk to the Martians.

他不知道怎么跟火星人对话。

Along the way it found ample evidence for the presence of water during Martian history.

此过程中，它发现火星曾存水的大量证据。

We're cells of life and that actually grew here. Maybe we could all be Martians.

我们生命的细胞如今这里繁衍。或许我们都曾经是火星人。

Dr Zahnle has long argued that Curiosity's reports of Martian methane are artefacts.

扎恩勒博士长期以来都争论称好奇号关于火星甲烷的报道是假象。

But when it was, it could have shot lava beyond the Martian atmosphere.

但当这座火山活跃的时候，它可以将岩浆射出火星的大气层。

The advice you find there might help you set up your own little Martian colony.

也许会有能帮你立自己的火星小殖民地的议。

It was not the first time Curiosity has found methane gas in the Martian atmosphere.

这并非" 好奇" 号第次火星大气中发现甲烷。

No Martian colonies yet, but we do have humans living long term around our planet.

还没有火星殖民地，但我们有人类长期生活我们的星球上。

The study said the microorganisms might have been growing just beneath the Martian surface.

该研究称，这些微生物可能就生长火星表面之下。

The habitat includes an " outdoor" area that simulates the Martian surface and environment.

栖息地包括个模拟火星表面和环境的“户外”区域。

The 2.4-billion-dollar mission is the U.S. space agency's ninth trek to the Martian surface.

这项耗资24亿美元的任务是美国航天局第九次登上火星表面。

The flight took about seven months before a dramatic landing on the Martian surface.

这次飞行花大约七个月的时间才戏剧性地降落火星表面。