标签：constellation 相关文章
AUDIE CORNISH, HOST: Studies of traumatic brain injury have revealed links to dementia and memory loss among veterans and athletes. It's also linked to PTSD among current and former service members. And another group maybe suffering so largely in sil
2018年NPR美国国家公共电台6月
By Mona Ghuneim New York 27 March 2008 Astronomers have captured an image that suggests evidence of a planet in the early stages of formation. From VOA's New York Bureau, Mona Ghuneim reports on this discovery that has opened a new window onto our en
VOA标准英语2008年（三月）
By David McAlary Washington 18 February 2007 The U.S. space agency NASA has launched five satellites - the most ever from one rocket - to locate the source of energy in Earth's magnetic field that triggers the colorful, dancing auroras over the north
2007年VOA标准英语（二月）
By Kevin Billinghurst Uppsala, Sweden 26 May 2007 Celebrations this week in Sweden marked the 300th anniversary of the birth of Carl Linnaeus, the 18th-century Swedish scientist known as the father of taxonomy. On Saturday, the University of Uppsala,
2007年VOA标准英语（五月）
By Dan Robinson Capitol Hill 22 June 2006 Over the past two weeks, lawmakers have engaged in one of the most significant periods of debate on Iraq since U.S. and coalition forces ousted former Iraqi dictator Saddam Hussein in early 2003. The debate
2006年VOA标准英语（六月）
By Brian Wagner Miami 28 October 2009 The Ares I-X flight test vehicle lifts off from Launch Complex 39B at NASA's Kennedy Space Center in Florida, 28 Oct 2009 NASA launched an unmanned test rocket on Wednesday in the hopes it will become the backbo
VOA标准英语2009年(十月)
As the world observes the 40th anniversary of the historic moon landing on July 20, 1969, the U.S. agency that accomplished that feat is working on plans for a return to the moon and an even more ambitious plan to use the moon as a base for missions
VOA标准英语2009年(七月)
By Greg Flakus Houston 15 September 2006 Artist rendition of the Orion crew exploration vehicle approaching the International Space Station The U.S. space agency, NASA, has embarked on a long-range plan to return humans to the moon and then go on to
2006年VOA标准英语（九月）
By David McAlary Washington 05 April 2006 New evidence from an orbiting U.S. telescope indicates that planets might rise up out of a dead star's ashes. This is the first time scientists have detected
2006年VOA标准英语（四月）