单词：earth-venus trajectory
单词：earth-venus trajectory 相关文章
TEXT It is humorous essay. But after reading it you will surely find that the author is most serious in writing it. Ts There Life on Earth? There was great excitement on the planet of Venus this week. For the first time Venusian scientists managed to
大学英语精读第二册
Greatest Brilliancy 金星光辉最大之时 The planet Venus now shines as a eerily brilliant light low in the western twilight sky. We'll talk about why Venus appears at greatest brilliancy this week -- on today's Earth and Sky. DB: This is Earth and Sky
(科普英语)Earth and Sky
Lesson 11 1.Listen to the audio tape. [00:06.90]Fill in the blanks.Write the words you hear. [00:12.77]A:Don't be worry, Danny.Venus flytraps don't live in Canada. [00:19.72]B:Yeh!For Canada!A:But the sundew plant grows in Canada. [00:27.45]B:The sun
河北加拿大版初中英语活动手册
SCIENCE IN THE NEWS - Venus Transits Sun for Last Time This Century JUNE SIMMS: This is SCIENCE IN THE NEWS, in VOA Special English. Im June Simms. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today, we tell about the planet Venus and what the American
2012年VOA慢速英语(六)月
Pre-Listening Vocabulary revolution: to go around something (Earth revolves around the Sun.) rotation: the spinning of something (Venuss rotation is backwards.) axis: a real or imaginary line that something rotates on retrograde: in a backwards movem
Facts-事实
Moon and Venus月球和金星 The planet Venus is now low in the west after sunset. It's not up for long after the sun goes down, but it's very, very bright. Learn how to see Venus tonight near Earth's companion moon -- today on Earth and Sky. JB: This i
(科普英语)Earth and Sky
By David McAlary Washington 11 April 2006 A European spacecraft has arrived at Venus to study Earth's hot, hazy sister planet. It is only the latest of many space probes trying to understand why our c
2006年VOA标准英语（四月）
October 31st 2011, that's the date the U.N. says the 7 billionth person will be born on Earth,7 billion.That's a crowded planet, says Dr. Jeffrey Sachs, the director of the Earth Institute at Columbia University and author of the Price of Civilizatio
万花筒2011年
On November 8th, Russia launched a probe toward the tiny Martian moon Phobos. The launch was picture-perfect, and the spacecraft, called PhobosGrunt, soared into the night sky over Kazakhstan. The good news stops there. For instead of boosting itself
Scientific American(十一)月
This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? On November 8th, Russia launched a probe toward the tiny Martian moon Phobos. The launch was picture-perfect, and the spacecraft, called PhobosGrunt, soared into the nigh
Scientific American(十一)月
[00:-1.00]lesson 5 Modern Heroes [00:-2.00]Yang Liwei returns safely to earth after 21 hours in space [00:-3.00]China's first manned spaceship lifted off at 9 a.m.on Wednesday, [00:-4.00]Octber 15th,2003 in Jiuquan,Gansu. [00:-5.00]The spaceship,call
高中英语北京必修模块
LOS ANGELES, June 24 (Xinhua) -- Near-Earth asteroid 2011 MD will whip past Earth on June 27, but will not pose any threat, NASA's Jet Propulsion Laboratory (JPL) said on Friday. The asteroid will pass only 12,000 kilometers (7,500 miles) above the E
英语新闻
But there is a downside to Jupiter. It can also deflect asteroids into orbits that cross the Earths path. The Chelyabinsk meteor appears to be one of these typical Earth-crossing events. The likelihood is that it was thrown out of its regular orbit b
探索与发现2014年
Amazing images. But what can you get out of these asan expert? What it shows us, first of all, is a great record ofthe entry of the object into the Earths atmosphere. So you see it right fromthe moment it really penetrated. And there it is. That is t
探索与发现2014年
Move away from the sun, and you'd expect things to cool down a little. Venus, the picture of coolness and calm, all pale but gully-cloaked by clouds but the planet of love is shrouded in mystery-----------draw beneath her treacherous veil at your own
自然百科2012年
In 1989, the space shuttle Atlantis launches the Magellan Probe toward / Venus. After a journey of 15 months, Magellan uses radar eyes to peer through the clouds from orbit. Watching form earth is Ellen Stofan. When you have that ability to pick up a
自然百科2012年
Everyone likes a vacation in a warm climate, but how about a trip to two planets that are as hot as hell? If you are walking on the surface of Mercury, you need one heck of a spacesuit. Mysterious Mercury appears lifeless and desolate, but hidden dee
自然百科2012年
On earth, Hawaii has some of the most spectacular shield volcanoes that are very similar with the volcanoes we see on Venus. The huge gently sloped volcanoes of Hawaii may be impressive. On Venus there are at least 150 ranging from this size to ten t
自然百科2012年
Despite all this scientific effort, we still don't know what triggered Venus' diabolical transformation. People debated over whether Venus ever had a moon. If Venus had a satellite at one point, could that satellite eventually impacted onto the surfa
自然百科2012年
Chicxulub is buried under two to three kilometers of limestone and mostly offshore, 奇克休留布大坑在两三公里的灰岩深处，而且大部分在近海。 which makes it difficult to study, Anderson went on, while Manson is really quite ac
万物简史