单词:orbital currents
单词:orbital currents 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
Lesson 18: Electric currents in modern art 现代艺术的电流 Listen to the tape then answer the question below. 听录音,然后回答以下问题。 How might some of the exhibits have been dangerous? Modern sculpture rarely surprises us any mo
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
Test PART A 1. M: When shall we start our work, Jane? W: At 9. But we must hurry for we have to finish everything before 3 in the afternoon. Q : For how long will they work? 2. W: Would you like to hear the latest jazZ record? M: Sure, it has one of
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
My name is Maurice Manuwatu, and I am from here, Kaikoura. It's an amazing place and historically Maori have been here for over 800 years. Matakoura was a god that had this magical sword. And he carved the mountains, he shaped the peninsula around he
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
The amount of products that a country makes,its manufacturing activity can give you an idea of how that country's economy is doing. In the U.S., manufacturing is up. There's a new report out that says the industry got bigger in August. That is the 13
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
C: (Later) Andy: You were right, Fred. Nobody is bothering us, especially the fish! We haven't caught a thing! Fred: Grab the oars, Andy, and let's get out of here! Andy: Right! Hey! I'm rowing but I ain't moving! Fred: Uh-oh! We're too close to the
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
Dai: So, you mentioned coasteering. What is that? Sharron: Right. What it is... it's organized by some groups of people. It can be quite dangerous, but it's very well-run in that you all go out in wetsuits, and you'll go out for a few hours around th
One hundred years ago today, January 17th 1912, Captain Robert Falcon Scott and four other men, reached the South Pole. They had hoped to be the first to reach the South Pole but were very disappointed to find the Norwegian flag flying there. The exp
Going the distance Every occasion Headed for somewhere out of the way Moving and shakin Every persuasion Keepin us out there Caught in the waves Try to wander to it in the deep Just waitin' for the tides to meet And when the currents take us Out agai
THE WRIGHT BROTHERS, ORVILLE AND WILBUR, GREW UP IN DAYTON, OHIO, NEAR WHERE NEIL ARMSTRONG WAS BORN. LIKE NEIL, THEY WERE INTERESTED IN ANYTHING THAT FLEW FROM THE TIME THEY WERE KIDS. THEY MADE PAPER TOYS THAT THEY CALLED BATS, WHICH COULD GLIDE ON
Dai: So, you mentioned coasteering. What is that? Sharron: Right. What it is, it's organized by some groups of people. It can be quite dangerous but it's very well-run in that you all go out in wetsuits, and you'll go out for a few hours around the c