Catalans are famous throughout Spain for their spirit of innovation. That ingenuity has recently been extended to the creation of what, the Associated Press reports, is the Barcelonan area's largest solar energy plant. The solar panels have been ins

发表于:2018-12-30 / 阅读(71) / 评论(0) 分类 国家地理2008年

Alien Asteroid Could Be Oldest Object in Our Solar System Astronomers have been closely watching an object that travels in an orbit around our sun. Astronomers say this object -- an asteroid -- circles the sun in the same orbital path as the planet J

发表于:2019-01-03 / 阅读(127) / 评论(0) 分类 2018年VOA慢速英语(六)月

California to Require Solar Power for New Homes California has become the first U.S. state to approve plans to require newly-built homes to include solar equipment. 加州已成为美国第一个批准计划要求新建住宅纳入太阳能设备的州

发表于:2019-01-03 / 阅读(47) / 评论(0) 分类 2018年VOA慢速英语(五)月

By David McAlary U.S. astronomers have made a finding they say increases the chance that distant stars may harbor planetary systems like our own. They have discovered two planets the size of Neptune e

发表于:2019-01-03 / 阅读(81) / 评论(0) 分类 VOA2004(下)--健康科技

NASA Spacecraft to Study the Sun Up Close The United States space agency will launch a spacecraft to explore the sun more closely than ever before on Saturday. NASAs Parker Solar Probe will fly through the hot solar atmosphere and come within just 6

发表于:2019-01-03 / 阅读(59) / 评论(0) 分类 2018年VOA慢速英语(八)月

The United States space agency will launch a spacecraft to explore the sun more closely than ever before on Saturday. NASAs Parker Solar Probe will fly through the hot solar atmosphere and come within just 6 million kilometers of the suns surface. Th

发表于:2019-01-03 / 阅读(60) / 评论(0) 分类 2018年VOA慢速英语(八)月

BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. This week, we learn about caves and their creatures, visit an archeological dig in Canada, and explore a house powered by the sun. (MUSIC) BARB

发表于:2019-01-03 / 阅读(69) / 评论(0) 分类 2018年VOA慢速英语(九)月

The U.S. Trade and Development Agency recently awarded a grant to the Nigerian company, Community Social Enterprises Limited, or CESEL, for a feasibility study supporting the roll-out of 25 solar photovoltaic microgrids across Nigeria. Together, the

发表于:2019-01-03 / 阅读(135) / 评论(0) 分类 VOA标准英语2017年(6月)

Scientists Testing Space Propulsion by Light 科学家测试太阳能动力 Can the sun provide power for a spaceship to travel to the edge of our solar system? The answer may come from a small satellite. A Delta V rocket carried the satellite into s

发表于:2019-01-12 / 阅读(76) / 评论(0) 分类 2015年VOA慢速英语(六)月

Satellite Will Watch Sun Storms, Send Warnings to Earth 卫星关注太阳风暴并向地球发送警报 A new satellite is travelling 1.5 million kilometers over a 110-day period to enter an orbit of the sun. It is called DSCOVR -- the Deep Space Cl

发表于:2019-01-12 / 阅读(85) / 评论(0) 分类 2015年VOA慢速英语(三)月

AS IT IS 2016-08-26 NASA Finds Lost Spacecraft NASA发现丢失的宇宙飞船 The American space agency, NASA says it has again made contact with a spacecraft studying the sun and space weather. NASA said it lost contact with the Solar Terrestrial R

发表于:2019-01-12 / 阅读(51) / 评论(0) 分类 2016年VOA慢速英语(八)月

Solar Cooker Reduces Smoke Pollution Deaths 太阳能灶可降低烟气污染导致的死亡 Solar power technology could help to reduce deaths caused by household pollution. 太阳能科技有助于降低由家庭污染造成的死亡。 Pollution t

发表于:2019-01-12 / 阅读(47) / 评论(0) 分类 2016年VOA慢速英语(五)月

改革难民营能源供给方式或能拯救人民生命 The global displacement of people has reached its highest ever level who makes 59.5 million people have been forced to leave their homes according to the United Nations. Refugee camps are swel

发表于:2019-01-14 / 阅读(86) / 评论(0) 分类 VOA标准英语2016年(一月)

Why? We look at the inner planets. 为什么?让我们看看太阳系的行星: Venus is way too hot -- it's got no water. 金星太热所以没水。 Mars -- dry and arid. It's got no water. 火星干旱贫瘠,也不会有水。 And beyond Mar

发表于:2019-01-18 / 阅读(47) / 评论(0) 分类 TED演讲科学篇

Another moon that we're looking at is Titan. 我们在研究的另一个卫星是土卫六。 Titan is a huge moon of Saturn. 土卫六是土星的一个非常大的卫星。 It perhaps is much larger than the planet Mercury. It has an extensive atmo

发表于:2019-01-18 / 阅读(95) / 评论(0) 分类 TED演讲科学篇

Weekly Address: President Obama Touts Nearly $2 Billion in New Investments to Help Build a Clean Energy Economy 每周电视讲话:奥巴马总统提出近20亿美元的投资计划助建清洁能源经济 WASHINGTON In this weeks address, Presiden

发表于:2019-01-26 / 阅读(51) / 评论(0) 分类 奥巴马每周电视讲话

JUDY WOODRUFF: So, how meaningful are this weekend's pledges? And does it signal a fundamental change in how we will get our energy? Fred Krupp is the president of the Environmental Defense Fund. He's back from Paris. And Robert Bryce is a senior fel

发表于:2019-01-27 / 阅读(55) / 评论(0) 分类 PBS访谈环境系列

But let's pretend again that we have made it to the Oort cloud. The first thing you might notice is how very peaceful it is out here. We're a long way from anywhere nowso far from our own Sun that it's not even the brightest star in the sky. It is a

发表于:2019-01-29 / 阅读(48) / 评论(0) 分类 万物简史

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

发表于:2019-02-17 / 阅读(63) / 评论(0) 分类 万物简史

Solar power is helping bring about a future of cleaner energy, but there are limits to where rigid solar panels can go. A new kind of flexible solar cell made with a mineral called perovskite can go almost anywhere, says physicist Olga Malinkiewicz.

发表于:2019-02-25 / 阅读(1693) / 评论(0) 分类 VOA标准英语2019年(二月)