earth-凯发k8官网

10-02-20 the space shuttle endeavour has undocked from the international space station and is headed back to earth. 奋进号航天飞机从国际空间站脱离并将按计划返回地球。 the latest mission saw the successful installation of the tranquility node, a spacious（宽...

10-01-31 for the past 50 years, scientists have scoured the skies for radio signals from beyond our planet, hoping for some sign of extraterrestrial life. but one physicist says there's no reason alien life couldn't already be lurking among us - or maybe eve...

10-01-15 in what might seem rather appropriate weather conditions, the cryosat-2 earth explorer satellite has completed its journey to the baikonur拜科努尔 launch site in kazakhstan哈萨克斯坦 , where it will be prepared for launch on 25 february. the satelli...

09-11-27 the history of the milky way（银河） is encoded in its oldest fragments, globular（球状的） clusters（蔟） and other systems of stars that have witnessed the entire evolution of our galaxy, says francesco ferraro, lead author of a paper appearing in...

09-11-14 rosetta passed over the ocean, just south of the indonesian island of java, at exactly 08:45:40 cet, at a speed of 13.34 km/s with respect to（关于，至于） earth an an altitude（高度，海拔） of 2481 km. the swingby was pre-planned and fully automate...

09-11-14 nasa's experiment last month to find water on the moon was a major success, us scientists have announced. 美国科学家宣布，美国航空航天局上个月寻找月球上的水源的实验取得重大胜利。 a camera on the probe shows the ejecta plume about 20 seconds after im...

09-11-03 麦田怪圈不是我们干的。请用心想想吧。我们以你们认为不可能实现的速度飞行于群星间可你们还认为我们需要为了联络用途而压下麦秆？你们为什么还总是以为我们会在荒郊僻野着陆？ 我们被你们的媒体所描绘的外星人形象弄得心烦意乱。当你们有心情思考时，就好好地看看你们...

09-10-30 direct communication between earth and mars can be strongly disturbed（扰乱，妨碍） and even blocked by the sun for weeks at a time, cutting off any future human mission to the red planet. an esa engineer working with engineers in the uk may have fo...

09-10-28 astronomers can tell just how hot the surface of the moon gets. the side of the moon toward the sun gets two degrees hotter than boiling water. the night side reaches 243 degrees below zero. in an eclipse, the earth's shadow falls on the moon. then...

09-09-01 a team of british scientists are developing plans for a spacecraft that could stop large asteroids from destroying the earth. 一组英国科学家正在研究可以阻止大块行星毁灭地球的宇宙飞船方案。 the tractor would steer asteroids away from the earth the 10...