skip to main content how to build a spacecraft to save the world wired paid a visit to nasa's first probe designed to protect earth from killer asteroids. it launches next year. photograph: ed whitman/nasa/johns hopkins apl save save our best hope of saving the planet from a killer ...
Lockheed Martin, the American global aerospace, defense, security, and advanced technologies company has teamed up with NASA, to build the next generation spacecraft: the Orion, which is intended to carry a crew of four astronauts to destinations at low Earth orbit (LEO, see notes 1), or ...
But what steps have been taken to build such orbiting structures? While mankind has not yet realized the full visions of von Braun and others, there have been significant strides in building space stations. The United States and Russia have had orbiting space stations since 1971. The first ...
百度试题 结果1 题目I want to learn to fly a spacecraft.(how, what) 相关知识点: 试题来源: 解析 how 【详解】 句意:我想学会如何驾驶飞船。根据fly 后有宾语可知,此处表示方式,所以用how。故填how。反馈 收藏
【答案】C【核心短语/词汇】spacecraft宇宙飞船【翻译】这个宇宙飞船花了多少时间到达火星?【解析】根据所给句子可知其句意是:这个宇宙飞船花了多少时间到达火星?,所以空格处要填入“到达”。get,及物动词,意思是得到,表示“到达”时要用get to; arrive, 不及物动词,“到达某地”要加介词;get to, 到达,后接表...
Space exploration is an exciting field. How long does it take for a spacecraft to reach Mars? A. 3 months B. 6 months C. 9 months D. 12 months 相关知识点: 试题来源: 解析 B。短文中提到航天器到达火星通常需要 6 个月时间。选项 A3 个月时间过短,选项 C9 个月和选项 D12 个月时间...
The scale-modelling world has embraced the sci-fi phenomenon by offering a number of detailed, creative, scale-model kits.Richard Marmo
百度试题 结果1 题目Do you know how an (宇航员) flies in a spacecraft? 相关知识点: 试题来源: 解析 1. astronaut 略 反馈 收藏
1. Do you know how an aflies in a spacecraft?2. The rising sun is especially beautiful to look at from this角度)3. They celebrated their 10th weddingga4. This is a well(缝制)coat.5. Tokyo and New York are major(金融的)centers.6. He is a well-known doctor who has his own c7....
go on spacewalks for many reasons.For example,experiments can be placed on the outside of a spacecraft.This lets scientists learn how being in space affects ( 影响) different things.By going on spacewalks,astronauts can also fix things instead of bringing them back to the eart...