NASA says a 3 1/2-ton satellite to fall uncontrolled to Earth
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A defunct German satellite is expected to fall to Earth this weekend, with experts predicting that up to 30 big pieces of the junked spacecraft could hit the planet. But exactly when and where the satellite will fall remains a mystery. The 2.7-ton Roentgen Satellite, or ROSAT, will likely...
Satellite telemetry was used on nine flying-foxes of three species ( Pteropus alecto n =5, P. vampyrus n =2, and P. neohibernicus n =2) to ... AC Breed,HE Field,CS Smith,... - 《Ecohealth》 被引量: 148发表: 2010年 Movements and behaviors of swordfish in the Atlantic and Pacif...
根据上文going round the earth可知这些卫星绕着地球转。 40.【解析】选A。根据下文的they travel in an orbit round the earth. 可知这些人造卫星由于速度快所以不会掉(fall)下来。 41.【解析】选D。当加速时,卫星易于(tend to)进入太空。 42.【解析】选A。卫星离开(pull out of)地球,进入轨道。 43.【...
Finally, some people can burn them fall, like this similarly also can have the fault! He can pollute our air! Possibly can cause the acid rain and the room temperature ascension! [translate] aSometimes it's difficult to express in words what the heart already knows. 有时用词表达是难的...
TRMM smaller than the last NASA satellite to fall from space - the Upper Atmosphere Research Satellite - which plunged back to Earth in September 2011. During that previous satellite re-entry, NASA received no reports of debris surviving re-entry, agency officials said. Due to TRMM's orbit, ...
Germany Aerospace Center said on 17th, a Germany scrapped satellite orbits are fast reducing, it may fall to Earth between the 20th of this month. Otherwise aerospace experts believe that the Moon fall to the ground time may 22nd or 23rd of this month. ...
2. The Upper Atmosphere Research Satellite (UARS) is deployed by the Space Shuttle Discovery (STS-48) in this NASA handout photo dated September 1991. Thedefunct (已死的,不存在的)NASA satellite is expected to fall back to Earth on Friday, showering debris somewhere on the planet although sci...
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