标签：hubble 相关文章
2-11-A Passage 1: Napoleon was many things but he was, first of all, remembered as a military leader. Rising from an artillery officer to the commander of the French army, he waged war after war against neighboring countries. In 1804, he declared him
全新版大学英语听说教程第二册
Unit 13 Part B Text 1 The Big Bang! In the 20th century there were two main theories to explain the origin of the universe, the big bang theory and the steady state theory. The former stated that the universe began in a massive explosion at a single
全新版大学英语听说教程第三册
Hubble's Dazzling Mission Nears Its End 哈勃太空望远镜使命渐入尾声 The Hubble Space Telescope has changed the way we see the universe. For almost a quarter of a century, it has sent vast amounts of data and images from space. A new exhib
VOA标准英语2014年(五月)
The third space walk in as many days of the Hubble, this time Atlantis crew astronauts have been fixing an instrument which is called the Cosmic Origins Spectrograph, a device that will help detect faint light far away, possibly a tool to help to lea
万花筒2009年
James Webb Space Telescope Progresses Toward Launch WASHINGTON While the space community is looking back this week to celebrate the 25th anniversary of the launch of the Hubble Space Telescope, workers in an airtight cleanroom at Goddard Space Flight
VOA标准英语2015年(四月)
Back in the 1950s few women in the United States worked outside of the home, and even fewer earned doctorate degrees or went on to have professional careers. 回顾1950年代的美国，当时的女性很少在外工作的。而获得博士学位或者
VOA双语新闻 2011年9月
EXPLORATIONS - November 6, 2002: Space Digest By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell ab
Explorations
EXPLORATIONS -April 17, 2002: Broadcast Number 2000 By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today, we
Explorations
1. President Barack Obama has been outlined the nations first comprehensive effort to curb vehicle emissions while also cutting dependence on imported oils. Hes calling the plan a historic turning point toward a clean-energy economy. 2. Authorities
美联社新闻一分钟2009年(五)月
The first stars in our Milky Way were fearsome high-octane stars, burning their hydrogen fuel at tremendous rates, rushing through their life cycle. They like the rockslides. They live fast and die young. They run out of their fuel very quickly and e
自然百科2011年
Far from being violentaions and destruction, it seems instead , black holes might actually be benign architects ,whichve played a part in the creation of the galaxies,stars,and even the life itself. One of the first scientists to begin to see black h
探索与发现2013年
By Jessica Berman Washington 19 March 2008 For the first time ever, astronomers using the Hubble space telescope have discovered the presence of the organic molecule methane in the atmosphere around a planet outside our solar system. While astronomer
VOA标准英语2008年（三月）
1. The top Republican in the House is dismissing speaker Nancy Pelosi's account of what she was told about interrogation techniques used on suspected terrorists. Republican John Boehner says it's pretty clear Democrats were well aware of enhanced in
美联社新闻一分钟2009年(五)月
The James Webb telescope is being prepped for launch in 2021 and it will change the way that NASA views the universe. James Webb is designed specifically to look into the infrared, and this is an area of the spectrum where we have looked before, but
VOA标准英语2019年(一月)