单词ring nebula
un.: 环状星云
网络: 天琴座的戒指星云；指环星云；云环
环状星云
Previous images of the Ring Nebula taken by visible-light telescopes usually showed just the inner glowing loop of gas around the star.
以前由可见光望远镜拍摄的星云环仅仅显示出其内部的环绕着恒星的炽热气体环。
NASA"s Spitzer Space Telescope finds a delicate flower in the Ring Nebula, as shown in this image.
斯比策空间望远镜在星云环里找到一朵精致的花朵，如图所示。
Two stars can be seen in the center of this Southern Ring Nebula in the southern hemisphere.
在南半球可见的南天戒指星云，可清楚看到中央有两颗星。
l The Ring nebula in Lyra is the best-known of the planetary nebulae.
l天琴座中的环状星云是最著名的行星状星云。
Located about 2, 000 light years from Earth in the constellation Lyra, the Ring Nebula is also known as Messier Object 57 and NGC 6720.
这个星云位于距离地球2000光年的天琴座内，它还有另外两个名字：MessierObject57和NGC6720。
The Ring Nebula can now be seen in the field of view.
这个环状星云现在就能在视场中被看到。
If you like finding hidden pictures, get set to find a Coathanger, the North Amercican Nebula and Ring Nebula .
如果你想看些不是那么明显的画面，你可以用双筒望远镜看到狐狸座的星群，北美星云和环状星云。