Such features are known as pulsar wind nebulas.

这种特征被称为脉冲星云。

This suggest that the nebulas are aggregates of stars.

恒星的 辐射将是无法节制的。

This suggest that the nebulas are aggregates of stars .

这说明星云是恒星的聚集体。

Different plants depict stars, globular clusters, and even nebulas.

不同的植物描绘出恒星、球状星团，甚至还有星云。

Find planets, stars, nebulas, galaxies and more that you select.

寻找您选择的行星，恒星，星云，星系及其它目标。