[天]行星状星云

planetary nebulae───[天]行星状星云

planetary nebulas───[天]行星状星云

Tarantula nebula───蜘蛛星云；舞蛛星云

dark nebula───[天]暗星云

galactic nebula───银河星云

planetaria───天象仪

planetaries───adj.行星的

planetarium───n.天文馆；行星仪

planetariums───n.天文馆；行星仪

Our own sun will blossom into a planetary nebula when it dies in about five billion years.───大约50亿年后，我们的太阳死去时，也会变成行星状星云。

See photos of new planetary nebula.───查看新的关于行星云团的照片。

The Eskimo nebula is clearly a planetary nebula.───爱斯基摩星云显然是一个行星星云。

The star primarily responsible for this interstellar sculpture can be found in the planetary nebula's center.───至于造成这座星际雕塑品的始作俑者,我们可以在行星状星云的中心看到此恒星的尊容.

Many objections can be raised to this picture of planetary nebula formation.───形成行星状星云的这一图象可能会引起许多异议.