单词:multi-impulse orbital transfer
单词:multi-impulse orbital transfer 相关文章
Questions for NASA after Rocket Explosion 火箭爆炸后美国国家航空航天局面临的问题 Unmanned Antares rocket is seen exploding seconds after lift off from a commercial launch pad in this still image from NASA video at Wallops Island, V
Virgin Spaceship Crash Raises Questions 维珍宇宙飞船失事引发诸多问题 WASHINGTON Plans to fly tourists to the edge of space could be delayed after Friday's crash of Virgin Galactic's SpaceShipTwo during a manned test flight. It is the se
美国火箭爆炸,私营航天产业的挫折 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosion of a private U.S. cargo space craft shortly after it's
A: I need to get on another bus, but I have no more money. B: Where'd the rest of your money for the bus go? A: I spent it on a bag of chips. B: Well, that was an intelligent thing to do. A: You don't have any spare change? B: No, I don't. A: How am
A: I need to get on another bus, but I have no more money. B: Where'd the rest of your money for the bus go? A: I spent it on a bag of chips. B:Well, that was an intelligent thing to do. A: You don't have any spare change? B: No, I don't. A:How am I
A: Is this where I go to register for classes? B:This is it. A: I need to add a few classes. B: What classes would you like to add? A: I need to take some classes that will help me transfer. B: Have you finished any classes so far? A: This is my firs
A: What classes have you taken so far? B: I've been working on my GE classes. A: Is that all? B: That's it for right now. A: What about your other classes? B: I'm working towards transferring schools. A: Which classes have you finished already? B: I'
A: Are you going to transfer? B: Yes, Im going to transfer. Are you? A: Yes. I want to transfer. B: What school do you want to transfer to? A: Either CSULA or UCLA. B: Either school would be a great choice. A: Where are you going to transfer to? B: I
A: Do you plan on transferring schools? B: I want to. Do you? A: Im thinking about it. B: Where do you want to transfer to? A: I want to go to CSULA or UCLA. B: Those are pretty good schools. A: Where are you planning on transferring to? B: I havent
A: What classes have you taken so far? B: Ive been working on my GE classes. A: Is that all? B: Thats it for right now. A: What about your other classes? B: Im working towards transferring schools. A: Which classes have you finished already? B: Ive f
A: Which classes have you completed? B: I have been taking classes for my General Education. A: Those are the only classes? B: Thats all I need to take right now. A: Why dont you take any other classes? B: Im just working on transferring right now. A
Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel
美国私企飞船与空间站对接 WASHINGTON, Jan. 12 (Xinhua) -- A commercial spacecraft, operated by U.S. space company Orbital Sciences Corp., docked with the International Space Station (ISS) on Sunday morning on its first official cargo resup
SCIENCE IN THE NEWS - Space Junk Threatens Earths Orbital Environment JIM TEDDER: This is SCIENCE IN THE NEWS, in VOA Special English. Im Jim Tedder. KATHERINE COLE: And Im Katherine Cole. Today, we tell about an ever increasing number of objects in
Global Warming Could Delay Next Ice Age The next ice age could be delayed by tens of thousands of years due to excessive amounts of heat-trapping carbon dioxide in the atmosphere, which disrupts Earths natural cycle of warming and cooling, according
With Failed Launch, US Private Space Industry Suffers Setback 火箭发射失败 美国私人航天受挫 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosi
The amount of debris orbiting the Earth has reached a tipping point for collisions, which would in turn generate more of the debris that threatens astronauts and satellites, according to a US study released on Thursday。 NASA needs a new strategic p
By David McAlary Washington 12 July 2006 Astronaut Mike Fossum (on arm)installs the International Space Station's railcar-like mobile transporter U.S. space shuttle astronauts are on their third spacewalk since Saturday, this time to practice method
MILAN, Jan. 12 (Xinhua) -- Inter Milan midfielder Wesley Sneijder said on Saturday that he will make up his decision wheter or not accept Galatasaray's offer by Monday. I'm fine. It is a big decision I have to take, so I don't think it will be made b
RIO DE JANEIRO, Feb. 8 (Xinhua) -- Brazil's Gremio has confirmed its interest in signing Arsenal defender Andre Santos for the club's upcoming Copa Libertadores campaign. The club is in a race against time to secure the 29-year-old ahead of the Febru