NGC 6543 (Cat's Eye Nebula)

作者：Lux H.M.T. Trolligi

发布日期：

The Cat's Eye Nebula (also known as NGC 6543 and Caldwell 6) is a planetary nebula 3,300±900 light-years away in the constellation Draco, discovered by William Herschel on 1786-Feb-15. It was the first such planetary nebula whose spectrum was investigated by the English amateur astronomer William Huggins, demonstrating that planetary nebulae were gaseous and not stellar in nature.

点击这里帮助我们翻译这个页面。

在 Celestia 中打开（推荐） 或者 下载

如何安装插件？在这里获取指导。