solar propulsion

The chemical rocket has been used during the former exploration events. Today, some new propulsion technologies, such as laser, solar energy, microwave and nuclear thermal propulsion are presented.

化学火箭在人类宇宙探索活动中书写了一页又一页的华丽篇章，现今在人类新的探索使命下，出现了激光、太阳能、微波、核热能等新的推进技术。

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Many new types of propulsion are proposed, where solar sail that can provide low thrust with infinite impulse is considered to be one of the most practical methods.

于是，人们提出了多种新型的推进方式，其中太阳帆可以提供连续小推力且比冲无限大，被认为是最实际的方法之一。

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