This makes commercial space travel a complex legal issue not just domestically, but abroad.
这使得商业太空旅行成为一个复杂的法律问题，在国内外皆是如此。
If it is, then the moon will become a possible choice for space travel in the future.
如果是这样，那么月球将成为未来太空旅行的一个可能选择。
How Virgin Galactic, regulators and the public respond to this most recent tragedy will determine whether and how soon private space travel can transcend that playground.
维珍银河公司、监管机构和公众如何应对这起最近发生的悲剧，将决定私人太空旅行能否以及多久能超越这块天地。
Space travel can be so delightful but at the same time invisibly dangerous.
太空旅行是如此令人愉快，但同时又存在无形的危险。
"And this," says Dr.Williams, "is good news for long-term space travel."
威廉姆斯博士说：“对于长期太空旅行来说，这是好消息。”
With the development of technology, space travel will be a common thing.
随着科技的发展，太空旅行将会是一件常见的事。
After weeks of space travel, Chang'e 5 successfully brought back rocks from the moon.
经过几周的太空旅行，嫦娥五号成功地从月球带回了岩石。
Space travel may soon be a reality, but how visitors get there is still a very open question.
太空旅行可能很快成为现实，但游客如何到达那里仍然是一个开放性问题。
Their research in rocketry blazed the way for space travel.
他们在火箭方面的研究开辟了太空旅行的道路。
That was in 1865, at a time when people only dreamed about space travel.
当时是1865年，那是个人们只能在脑海里梦想太空旅游的年代。
EVEN by the standards of space travel, it has been a long, strange trip.
既使按太空旅行的标准来看，这也是一次漫长而奇怪的旅行。
It might be kind of fanciful to some, but on the other hand, space travel was considered science fiction not that many decades ago.
对于某些人，它可能只是种幻想，但换句话说，几十年前，太空旅行不也是被认为是科幻小说吗。
The idea is that as space travel becomes more common, it will foster new commercial research and adventure tourism.
想法是这样的，随着太空旅行变得更普及，它能培育新的商业研究和探险旅游。
They use this research to analyze and solve problems dealing with satellites and space travel.
他们利用他们的研究成果来分析和解决卫星和太空旅行方面的问题。
Surely if an alien civilization is advanced enough to master space travel, it can devise more effective ways of communicating with us.
自然地，如果有外星人文明已先进到可以掌控太空旅行，它可以通过更有效的途径与我们交流。
Eventually, I hope our system can reveal more about space radiation effects on DNA and cells, leading to options for safe space travel and exploration by humans.
最终，我希望我们的设备能揭示更多太空辐射对DNA和细胞的影响，从而引导人们安全的太空旅行和太空探索。
The project is broken into different subject areas, including space travel, cities in history, festivals and ancient worlds.
这个项目含有几个不同的主题，其中包括太空旅游、城市历史、节日以及古代世界。
More speculatively, it could make long-distance space travel more feasible by slowing down ageing and reducing the consumption of oxygen and food.
理论上，它还能通过延缓衰老和降低氧气与食物消耗来实现长距离和空间的旅行。
Many companies are pursuing commercialized space travel. Would you travel to the moon commercially if given the chance?
许多公司在追求把太空旅行商业化。若有机会，你是否到月球做一次商业旅行？
The crew communicated with the organisers and their families via the Internet, which was delayed and occasionally disrupted to imitate the effects of space travel.
全组人员模拟太空旅行，通过因特网时断时续地与组织者和他们的家人进行延时沟通。
Founded in 1970, the Virgin Group has expanded to more than 200 companies, ranging from music, publishing, mobile phones and even space travel.
成立于1970年的维珍集团已经扩张为200多家公司，遍及音乐、出版、手机甚至太空旅行领域。
Many elements of space travel series and films borrow extensively from the conventions of the western genre.
太空旅行系列片和电影从西部片传统里借用了许多元素。
Many companies are pursuing commercialized space travel.
许多公司在追求把太空旅行商业化。
Ion engines are incredibly efficient, which makes them well suited to deep space travel.
离子引擎是令人难以置信的高效率，所以非常合适深入的太空旅行。
太空旅行是胡言乱语。
太空旅行是胡言乱语。
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