单词：infrared star tracker system
单词：infrared star tracker system 相关文章
Scientists Observe Most Distant Cosmic Explosion Ever Recorded 科学家们观察到有史以来最遥远的宇宙爆炸 Astronomers have detected the most distant explosion ever witnessed in the heav
VOA2005（下）--环境科学探索
Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra
国家地理2008年
From the jungle beyond us came the sound of splashing water. Tigers play in water. 我们前方的森林传来了哗啦哗啦的水声，老虎在水中嬉戏。 Was it the tiger or was it the herd of wild cattle we had seen the day before? 这是老虎
美国小学英语教材6
Like a phoenix rising from the ashes, astronomers have found a whole new solar system may be forming in the wake of a star's violent death. This is the Hidden Universe of the Spitzer Space Telescope, exploring the mysteries of infrared astronomy wit
国家地理2008年
This is What's Trending Today. You can now follow the bears in California's Yosemite National Park online. No, that does not mean the bears now all have Twitter profiles. But they are connected to the internet via satellite. They have their own websi
2017年VOA慢速英语(四)月
For the first time ever, astronomers have discovered a system of seven Earth-sized planets orbiting around a single star. The finding was announced Wednesday by officials from NASA the U.S. space agency and other research team members. The discovery
2017年VOA慢速英语(二)月
This podcast is brought to you by the American Chemical Society. The global challenges chemistry solutions podcast from ACS discusses how chemistry research is critical in solving some of the world's most daunting problems, concerning energy, food an
Scientific American(十一)月
Tracking Santa with Technology Technology can bring magic to the Christmas season and some fun too! Internet users can find out if they are naughty or nice, follow Santa's journey, and play fun Christmas games. Portable North Pole People can make onl
2015年VOA慢速英语(十二)月
Like a phoenix rising from the ashes, astronomers have found a whole new solar system may be forming in the wake of a star's violent death. This is the Hidden Universe of the Spitzer Space Telescope, exploring the mysteries of infrared astronomy with
自然百科2008年
By David McAlary Washington 05 April 2006 New evidence from an orbiting U.S. telescope indicates that planets might rise up out of a dead star's ashes. This is the first time scientists have detected
2006年VOA标准英语（四月）
BEIJING, Oct. 26 (Xinhuanet) -- The question, why the first documented supernova was super-sized and grew so fast, has puzzled astronomers for centuries. Now it is solved by US researchers. The supernova, an exploded star, was observed in 185 A.D. an
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Calsphere 卡尔斯菲尔美国拦截卫星 CAMEO(Chemically Activated Mater. Ejected inOrb.) 卡梅欧(轨道放射化学激活物质)美国科学卫星 Canister 茶叶罐美国小型军事空间站 C
英文语法词汇
Transcript for Reference Only --chunshan The infrared astronomical satellite, now celebrating its 25th anniversary, gave us the first all sky view of our dusty infrared universe. Floating above the galactic center is the Rho Ophiuchi Cloud, about 400
自然百科2008年