This is very good news for commercial space travelers.

这对商业太空旅行者来说是个非常好的消息。

That's the first bad news for you, brave space traveler.

那对你是第一条坏消息，勇敢的太空旅行者。

And think about the implication that poses to any would-be space traveler.

想想这对未来的太空旅行者意味着什么。

Yesterday we reported on the return of three space travelers to planet Earth.

昨天我们报道了三位太空旅行者返回地球的消息。

They would be the first American space travelers. Alan Shepard was one.

他们将成为第一批美国太空旅行者。艾伦·谢泼德就是其中之一。

The goal is to explore the possibility of making freshly baked cookies for space travelers.

该实验旨在探索为太空旅行者制作新鲜出炉的曲奇的可能性。

Scientists are studying what kind of effects space travel could have on the bodies of human space travelers.

科学家们正在研究太空旅行会对人类太空旅行者的身体产生什么样的影响。

The white one is designed for when space travelers go outside to bounce along the moon's south pole.

白色这款是为太空旅行者走出太空舱在月球南极活动而设计的。

But it will be the first to carry a full group of space travelers in addition to pilots.

但是它将是首次满员搭载除飞行员以外的太空旅行者。

The event might look, kind of, cheesy but pizza is part of a variety of foods available to space travelers.

这项活动看起来可能有点俗气，但披萨是这些太空旅行者餐桌上的重要一员。

The result is that Martian astronauts will need to operate with a degree of autonomy space travelers have never had.

结果是，火星宇航员将需要用此前宇航员所没有过的自主进行操作。

Besides radiation, variation in gravitational strength is another challenge for space travelers.

除了辐射，重力强度的变化是太空旅行者面临的另一个挑战。

McKenzie added that space travelers might question whether it is even worth trying to learn how to communicate with people on Earth.

麦肯齐补充说，太空旅行者可能会质疑，学习如何与地球上的人进行交流是否值得。

The result is that Martian astronauts will need to operate with an autonomy space travelers have never had.

结果是火星宇航员将需要以太空旅行者从未有过的自主权进行操作。

The three returning space travelers came back to terra firma aboard the Soyuz, a Russian spacecraft that's been in use for more than 50 years.

三个返回太空的旅行者回到联盟号上的特拉菲尔玛，一艘已经使用了50多年的俄罗斯航天器。

We'd need to design and build a vehicle, choose the space travelers very carefully, supply them with all the food and water, and make sure they could become self-sustaining.

我们需要设计和制造一个飞行器，谨慎选择太空旅行者，为他们提供充足的食物和水，并确保它们能够自给自足。