galactic astronomy中文什么意思

银河系天文

• galactic:    adj. 1.乳的，乳汁的；【医学】 ...
• astronomy:    n. 天文学。 gravitatio ...
• galactic radio astronomy:    银河系射电天文学

百科释义

Galactic astronomy is the study of our own Milky Way galaxy and all its contents. This is in contrast to extragalactic astronomy, which is the study of everything outside our galaxy, including all other galaxies.