astronomical > guano gibbous



Contents ·No. 1 ·No. 2 ·No. 3 ·No. 4 ·More results... No. 1 　　Developed and used by the artificial carrier rocket was launched into interplanetary space, the gravitational effect of the sun, the spacecraft around the sun. The Soviet Union in January 1959 launched the ball on  1 "detector for the first artificial planet, when it was 6,000 kilometers from the moon passed away, flying to interplanetary space, period 450 days. Translated by Google No. 2 　　Rocket launched into interstellar space, out of Earth's gravity, and planetary orbits around the sun, like a certain object is running. Translated by Google No. 3 　　用火箭发射到星际空间、摆脱地球的引力、和行星一样按一定轨道围绕太阳运行的物体叫人造行星。 No. 4 　　mannlade planet 　　用火箭发射到星际空间、摆脱地球的引力、和行星一样按一定轨道围绕太阳运行的物体叫人造行星。 　　借助运载火箭发射至高空，使之达到或超过第二宇宙速度而摆脱地球引力飞往行星际空间，并在太阳引力作用控制下环绕太阳运行之人造天体。 　　世界上第一颗人造行星是前苏联1959年1月发射的“月球1号”，从距月球6000千米处通过，运行周期为450天。