• 天文学家在银河系外首次发现行星

    10-11-19 Over the last 15 years, astronomers have detected nearly 500 planets orbiting stars in our cosmic neighbourhood, but none outside our Milky Way has been confirmed. Now, however, a planet with a minimum mass 1.25 times that of Jupiter has been discov...

  • 古代全球变暖环境下热带雨林经历过繁荣

    10-11-12 The steamiest places on the planet are getting warmer. Conservative(保守的) estimates suggest that tropical areas can expect temperature increases of 3 degrees Celsius by the end of this century. Does global warming spell(意味着,招致) doom for...

  • 研究人员发现适合生物存活的类地行星

    10-09-30 太空探索研究人员最近发现了一颗大小类似地球的行星,这颗行星围绕离地球20光年的一颗恒星运转,其表面温度适宜产生液态水源,因而很有可能是另一个适合生物存活的星球。 An artist's impression of Gliese 581g, which astronomers say is near Earth - relatively sp...

  • 地下水资源正在被过度开发

    10-09-24 In recent decades, the rate at which humans worldwide are pumping dry the vast underground stores of water that billions depend on has more than doubled, say scientists who have conducted an unusual, global assessment(评定,估价) of groundwater us...

  • 霍金:未来200年人类将面临巨大危险

    10-08-21 英国著名物理学家史蒂芬霍金日前在接受美国著名网站BigThink访谈时,再曝惊人言论,称地球将在200年内毁灭,而人类只有移民外星球才能继续存活。 Humans: Its time to abandon Earth or face extinction. It could be the plot(情节,阴谋) of a summer blockbuster...

  • 揭密木星表面大红斑

    10-03-17 This is our first detailed look inside the biggest storm of the Solar System, says Glenn Orton, who led the team of astronomers(天文学家) that made the study. We once thought the Great Red Spot(木星表面大红斑) was a plain old oval(椭圆形,卵形...

  • 欧洲航天局发布火卫一卫星照片

    10-03-16 Images from the recent flyby(飞越) of Phobos(火卫一) , on 7 March 2010, are released today. The images show Mars' rocky moon in exquisite(优美的,精致的) detail, with a resolution of just 4.4 metres per pixel. They show the proposed landing si...

  • 开普勒太空望远镜侦测到五个外部行星

    10-01-05 Nasa's Kepler Space Telescope has detected its first five exoplanets, or planets beyond our Solar System. 美国航空航天局的开普勒太空望远镜首次侦测到五个外部行星,即太阳系之外的行星。 The observatory, which was launched last year to find other Earths...

  • Pallas is 'Peter Pan' space rock 研究:智神星是“小飞侠”式

    09-10-12 The Hubble telescope has provided new insight on 2 Pallas, one of the largest asteroids in the Solar System. 哈勃望远镜提供了对2智神星太阳系中最大的小行星之一的最新观察资料。 Ceres and Vesta will be visited by the Dawn mission in the next few years...

  • Traces of planet collision found 行星相撞遗迹被发现

    09-08-12 A Nasa space telescope has found evidence of a high-speed collision between two burgeoning planets orbiting a young star. 一架北约太空望远镜发现了围绕一个新恒星的两个快速发展的行星之间快速冲撞的迹象。 In astronomical terms, the collision happened re...