planetary nebula meaning in English
行星状星云
Examples
- Many objections can be raised to this picture of planetary nebula formation .
形成行星状星云的这一图像可能会引起许多异议。 - Planetary nebulae are a type of isolated gaseous nebulae possessing a fair degree of bilateral symmetry .
行星状星云是一类孤立的气体星云，具有相当程度的双侧对称性。 - M2 - 9 is a typical butterfly shaped planetary nebula
M2 - 9是蝴蝶状行星状星云 - Don t confuse nebulae with planetary nebulae , which we will discuss in
注：不要把星云和将在 - Planetary nebulae are not as airy and tranquil as their images suggest
行星状星云并不如影像中所显现的那麽飘逸宁静。