海王星环是1989年由旅行者2号飞船发现的。十分微弱,由尘土构成,很像木星环或天王星环。海王星已知的环有5个。海王星环的组成物质非常黑暗,光学深度低,小于0.1。亚当斯环分为五个弧,命名为博爱,平等1和平等2,自由,和勇气。弧占据范围狭窄,轨道经度非常稳定。环弧如何保持稳定仍在进行辩论。
是海王星环吗?
模拟结果表明,尘埃环在海王星的轨道边上形成了一个空洞。
The results showed that a hole in the dust follows Neptune around in its orbit.
从那时起,不同的星球已经移到天然气开采计划的最前列,因为它缺乏木星的强烈引力,土星的巨大轨道碎片环并且比遥远的海王星更近。
Since then a different planet has moved to the forefront of gas-mining plans because it lacks Jupiter's intense gravity, Saturn's gigantic rings of orbital debris and is closer than distant Neptune.
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