人造卫星
From Wikipedia, the free encyclopedia
人造卫星，人造出来个卫星，搭仔“天然卫星”一式样，绕地球或者其他行星、其他天体转。各种各样个卫星大小相差蛮大，份量也弗同，但是侪要靠太空飞行器：火箭、航天飞机等送到太空，难度可想而知交关大。[1]
- Wragg, David W.（1973）．A Dictionary of Aviation，first，Osprey．ISBN 9780850451634．
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