单词:solar flares
单词:solar flares 相关文章
Scientists Improve Space Weather Forecast Accuracy 科学家改进空间天气预报准确性 At one time, scientists thought the space between Earth and Sun was a vacuum . But we now know that the su
New assurances this week from NASA that theworld will not end on December 21st. This comes as one British newspaperreports that people on the globe are stockpiling supplies just in case. Join me now was Andrew Fraknoi, the astronomyprofessor of Footh
DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o
By Heda Bayron Zamboanga del Norte, Philippines 16 July 2007 House with solar panel unit in Patagan Electricity has yet to reach hundreds of far-flung villages in the Philippines. But a solar energy system project for the country's remote villages is
By Paul Sisco Washington, D.C. 19 July 2007 Silicon Valley in northern California originally referred to the corporate homes of silicon chip innovators and manufacturers, and the high tech businesses in the San Francisco Bay area. Today that region i
By Katherine Cole Washington 25 July 2007 The city of Taos, New Mexico, was known as the Solar Capitol of the World long before then-Governor Gary Johnson officially made that declaration in 1997. The high desert altitude of over two kilometers and c
Residents of Pakistan's Swat Valley say hundreds of pro-Taliban militants surrounded a security post and abducted at least 25 police officers on Tuesday. Earlier, militants in the region claimed they killed three intelligence agents. VOA's Barry New
India seems to excel at making things smaller and cheaper. The $2,500 car and the $35 computer are just two of the country's latest innovations. Now, India increasingly is focused on low-cost solar technology. The front lines of that effort are seen
During its magnetic cycle, the Sun undergoes periodic changes in activity. Every 11 years, it enters solar maximum. This 11 years cycle of solar activity has peaks where theres lots of solar storms. And right now where the sun is taking a little napp
By David McAlary Washington 01 March 2007 The U.S. space agency NASA says two new spacecraft orbiting Earth are giving scientists an unprecedented ability to track storms on the sun all the way to Earth. As VOA's David McAlary reports from Washington
By Paul Sisco Washington 22 October 2007 Twenty college and university teams from around the world competed inthe recentSolar Decathlon that is held every two years in Washington, D.C. The U.S. Energy Department sponsors the event, and this year's wi
Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by
From VOA Learning English, this is As It Is. Welcome back. Im Caty Weaver. On the show today, we look into the future of space exploration. The American space agency NASA has announced plans for a new effort to study the sun. And, NASA scientists are
Even after stripping out the more crackpot notions there are still more theories for what caused the extinction events than there have been events. 即使去掉了不大切合实际的观点以后,解释灭绝事件原因的理论依然多子事件本
Scream at the boss? Snap at a colleague? Throw your cell phone into your computer monitor? 朝老板大喊大叫?对同事厉声斥责?把手机砸在电脑显示器上? In most cases anger isn't an illness but a normal human emotion that cause
模仿文本: The sun is currently at its maximum - that point in its 11-year cycle where solar activity should be at its height. Usually scientists will expect to be seeing large numbers of sunspots and solar flares. But this time around the sun i
干嘛 What? 你刚说你要去散步的 You said you were going for a walk. 我又没说要去外面散步 I didn't say outside. 然后呢 你就打算来来回回地跑楼梯吗 So what,you're just gonna walk up and down the stairs? 不会 当然不会