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科学家正在设计许多方案向太阳系之外的深空进发,人类走出太阳系已经不再是一个科学幻想。离子引擎走出太阳系需要非常先进的推进系统,它们有别于我们今天还在使用的传统的化学火箭。科学家正在试验各种新型的推进系统,其中离子引擎是很有前景的一种,它的优秀之处就在于它在飞行过程中能不断使航天器加速,最终获得极高的速度。
Scientists are designing many solutions to the deep space beyond the solar system. It is no longer a science fantasy for mankind to get out of the solar system. Ion engines that go out of the solar system require very advanced propulsion systems that differ from the traditional chemical rockets we are still using today. Scientists are experimenting with a variety of new propulsion systems, of which the ion engine is a promising one, and its strength is that it keeps accelerating the spacecraft during the flight, eventually achieving very high speeds.