A is outside B, while the C ring is fainter and inside the B ring.
A在B外面,而C环比较暗淡,在B之内。
单词 | B Ring |
释义 |
B Ring
原声例句
Crash Course 天文篇 A is outside B, while the C ring is fainter and inside the B ring. A在B外面,而C环比较暗淡,在B之内。 Crash Course 天文篇 When the rings were first observed, the A and B rings were thought to be one ring. 当它们被发现时,A环和B环被认为是一个环。
中文百科
土星环 Rings of Saturn(重定向自B Ring)
![]() ![]() ![]() ![]() 土星环是太阳系行星的行星环中最突出与明显的一个,环中有不计其数的小颗粒,其大小从微米到米都有,轨道成集群的绕着土星运转。环中的颗粒主要成分都是水冰,还有一些尘埃和其它的化学物质。 虽然环的反射能够增加土星的亮度,但从地球仅凭裸眼还是看不见环。在1610年,当望远镜第一次指向天空之际,伽利略虽然未能清楚的看出环的本质,但他还是成为观察土星环的第一个人。在1655年,惠更斯成为第一个描述环是环绕土星的盘状的人。 虽然许多人都认为土星环是由许多微细的小环累积而成的(这个观念可以回溯至拉普拉斯),并有少数真实的空隙。更正确的想法是这些环是有着同心但是在密度和着亮度上有着极值的圆环盘。在集群的尺度上,圆环之间有许多空洞的空间。
英语百科
Rings of Saturn 土星环(重定向自B Ring)
![]() ![]() ![]() ![]() The rings of Saturn are the most extensive planetary ring system of any planet in the Solar System. They consist of countless small particles, ranging in size from micrometres to metres, that orbit about Saturn. The ring particles are made almost entirely of water ice, with a trace component of rocky material. There is still no consensus as to their mechanism of formation; some features of the rings suggest a relatively recent origin, but theoretical models indicate they are likely to have formed early in the Solar System's history. |
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