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Unit Three Text Are we humans alone in the universe? Or is there intelligent life on other planets? These questions are not new. What is new, however, is the scientific attempt to discover whether or
大学英语精读第六册
Are we humans alone in the universe? Or is there intelligent life on other planets? These questions are not new. What is new, however, is the scientific attempt to discover whether or not other planets beyond our own have given birth to advanced civ
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Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a
国家地理2008年
Radio telescopes are not enough, says SETI scientist Art Chimes | Washington, DC 16 April 2010 When the search for extra-terrestrial life began a half-century ago, it was assumed that technological civilizations would broadcast more and more signals
VOA标准英语2010年(四)月
Scientists target tiny fossils in Martian soil in NASA's search for extraterrestrial life Rosanne Skirble | Washington, DC 30 April 2010 A proposed robotic lab would carry instruments for identifying and measuring the chemical building blocks for lif
VOA标准英语2010年(五)月
英国著名物理学家斯蒂芬霍金与俄罗斯商人尤里米尔纳在伦敦举行联合记者会，宣布两人将为寻找外星生命迹象的新倡议投资1亿美元。 请看美联社的报道： Renowned physicist Stephen Hawking and Russ
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