标签：Exil 相关文章
A major South Korean broadcaster is reporting that North Korean leader Kim Jong Il has a life-threatening form of cancer. His health has been in serious question since his apparent stroke about a year ago. The medical prognosis is a matter of utmost
VOA标准英语2009年(七月)
And every faint smudge of light you are looking at is a galaxy. For Richard Ellis, it's a galactic treasure trove. So much like an archaeologist/, we piece together history by digging into deeper and deeper layers. So a cosmologist like myself, uses
自然百科2011年
A new galaxy is formed where, instead of the discs that the original galaxies have, where all the stars are going around more or less on a plane. Instead the stars are going every which way just like the elliptical galaxies that we see. And so we are
自然百科2011年
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
But our time traveling isnt yet over. There is still the question of how the first galaxies kindled the very first stars. We are on a journey visiting the Dark Ages, a time over 12.5 billion years ago. The sight is spectacular. The sky is ablaze with
自然百科2011年
Imagine the disc of our galaxy, if you just took a disc of stars and put it there, gravity would tend to make this disc collapse/ into itself and it would immediately just fall together. That is not what we see with the galaxy. Whats actually going o
自然百科2011年
Its a stunning location, but its also mysterious. These stars are not just close together. They are on the move at enormous speeds. Going to the heart of a galaxy might not be the similar to going to an amusement park. The rides are some similar to h
自然百科2011年
Each tag is whipping around the center of the galaxy, the particular, the most striking thing you will notice is the motion of SO2.So SO2 goes on an incredible roller-coaster ride. It comes whipping around and then back out. Something with tremendous
自然百科2011年
The glowing region is the accretion disc, star debris falling inward, would turn round in the maelstrom heated by frictions to such high temperatures that it glows white hot. So at the center of our galaxy, we do have a black hole. We now know that t
自然百科2011年
Like nebulae which spawn stars, it is made of gas and dust. But that's where most similarities end. For Alex Filippenko, it represents an intriguing industrial zone within our galaxy where the elements from which our world is made or manufactured. Wh
自然百科2011年
We are taking a ride through the Milky Way. First, we are traveling to a place where stars are born. Even at the speed of light, 196,000 miles a second, the journey lasts for 1,500 years. We've arrived at the vast glowing cloud of gas and dust, the g
自然百科2011年
Like nebulae which spawn stars, it is made of gas and dust. But that's where most similarities end. For Alex Filippenko, it represents an intriguing industrial zone within our galaxy where the elements from which our world is made or manufactured. Wh
自然百科2011年
We are at a foundry here, and they are pouring molten iron from all machinery. And they are going to make parts for new machines out of that iron, so they are recycling yet, but all that iron was created and ejected into the cosmos by gigantic stars
自然百科2011年
In about four or five billion years, it will grow into a much bigger star, a star called a red giant. And that outer atmosphere of gases will be held so loosely by the sun at that time that the gases will be blown away gently in what I call a cosmic
自然百科2011年
By Gilbert da Costa Abuja 08 June 2007 The Nigerian Supreme Court has rejected a request for bail for a jailed Niger Delta militant leader currently facing treason charges. For VOA, Gilbert da Costa in Abuja reports that his supporters have vowed to
2007年VOA标准英语（六月）
By Al Pessin Pentagon 09 March 2006 Major General Richard Mentemeyer The U.S. military command responsible for operations in Latin America puts a lot of its effort into fighting the illegal drug trade
2006年VOA标准英语（三月）
By David Gollust Jakarta 15 March 2006 U.S. Secretary of State Condoleezza Rice gestures during a speech to a group of Indonesian students, parliamentarians and businessmen Wednesday March 15, 2006 in
2006年VOA标准英语（三月）
By Steve Herman New Delhi 04 June 2007 Brazil's President and a delegation of more than 100 Brazilian business executives are in India to boost trade ties. As VOA's Steve Herman reports from New Delhi, Brazilian President Luiz Inacio Lula da Silva, s
2007年VOA标准英语（六月）
By Paula Wolfson Sao Paulo 09 March 2007 The United States and Brazil are forming an informal alliance to push the production of ethanol. VOA White House Correspondent Paula Wolfson reports from Sao Paulo, the development and promotion of biofuels ma
2007年VOA标准英语（三月）
By Scott Bobb Kisumu, Western Kenya 27 February 2008 The violence following the disputed elections in Kenya killed more than1,000 people and displaced an estimated 600,000 more. Many of the displaced have been taken in by their extended families but
VOA常速英语2008年（二月）