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

火的大气密度如何随着高度变化？

Well, in the film, The Martian, a stranded astronaut grows potatoes on Mars.

好吧，在电影《火救援》，一位被困火的宇航员在火上种土豆。

China also plans to land a rover vehicle on Mars by 2020.

还计划2020年将火车发射到火。

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

得了吧，阿里，根本没有火人，火上没有命。

It's actually the desert landscape of Mars taken from Mars.

但这实际上是在火上拍摄的火沙漠景观。

It's not headed to the Red Planet yet.

这一火着陆器还未前往红色球（指火）。

Seismic activity on Mars happens in the form of " marsquakes."

火上的地震活动以“火地震”的形式发。

Why does Mars Mommy call her candy Mars Candy?

火妈咪为什么把她的糖果称为「火糖」呢？

A couple of sparks flew out of its snout.

鼻子里喷出几点火。

NASA has successfully landed a probe on Mars.

NASA探测器成功在火上着陆。

I'm a Martian. I think Mars is the next great destination.

我是火人。我认为火是下一个伟大的目的地。

The Curiosity Rover was never fully sterilized before it touched down on Mars.

“好奇”号火探测器在着陆火前从未进行过彻底消毒。

Soon after its 2018 arrival, the lander detected a handful of marsquakes.

2018 年抵达火后不久，着陆器就探测到了几次火地震。

Mars is a planet of outsized splendor.

火是一个拥有惊人光辉的行。

Mars has a thinner atmosphere than earth which complicates setting down safely on the surface.

火的大气层比地球稀薄，这使得在火表面安全降落变得困难。

If Martians exist, even the microbial sort, they probably need liquid water.

如果火人真的存在，即便是火上的微物也需要液态水。

A rover from the united states is scheduled to join the party at mars next week.

一辆来自美的火车计划下周在火参加这个派对。

China's first mission to Mars has succeeded in putting a spacecraft safely on the planet's surface.

首次火探测任务成功将宇宙飞船安全送入火表面。

But there would be no pollution on Mars.

但是火上可能没有污染。

A marsquake is a seismic event that happens on Mars.

地震是发在火上。