orbiter
a spacecraft with the purpose of cricling around a celectial obejct without landing on it

轨道飞行器, 卫星

[名词]
astrology
the study of the movements of stars and planets that are thought to affect people and the world

占星术

[名词]
satellite
an object sent into space to travel around the earth and send or receive information

卫星, 气象卫星

[名词]
telescope
a piece of equipment by which the far objects, particularly those in space, are made clearly visible

望远镜

[名词]
the Milky Way
a pale band of light seen in the sky at night that contains the solar system and billions of other stars

银河, 银河系

[名词]

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