单词：
单词： 相关文章
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
Rare Astronomical Event to Occur June 5-6 Skywatchers on all seven continents will get a chance to witness an astronomical rarity on June 5 or 6, the transit of the planet Venus. It is likely the last time anyone alive today will have a chance to vie
VOA标准英语2012年(六月)
In today for about seven hours,Venus will be passing in front of the sun at least from the perspective of us here on earth.It is called the transit of Venus.And if you do not get a chance to see this today.You will probably not get another one.That i
CNN2012年(六)月
May not ever have made a trip into space, but Enterprise is sill making history. NASA retire its space shuttle fleet last year, the four vehicles are hitting the different museums around the country,and Enterprise is the first space shuttle to land o
CNN2012年(六)月
This is Scientific Americans 60 second science, I am John Matson. Were just hours away from the last transit of Venus until the year 2117. A transit is when a planet passes in front of the sun, revealing itself as a tiny black dot on the suns face. T
Scientific American(六)月
NASA Satellite Offers Astonishing View of Venus Transit Skygazers massed outside the Smithsonian National Air and Space Museum in the U.S capital, eager to see the rare transit of Venus. The museum offered telescopes. People donned special protective
VOA标准英语2012年(六月)