河外星系
Traditional form:
河外星系
Pinyin (reading):
héwàixīngxì
Definitions:
- extragalactic star system
- galaxy (not including our Galaxy)
Characters:
- 河 - river, stream; the Yellow river
- 外 - out, outside, external; foreign; in addition
- 星 - star, planet; a point of light
- 系 - system; line, link, connection
Traditional characters: