河外星系 hé wài xīng xì

DEFINITIONS

  1. extragalactic star system
  2. galaxy (not including our Galaxy)

CHARACTERS

河 hé
HSK 3
river; stream; yellow river
外 wài
HSK 2
out, outside, external; foreign
星 xīng
HSK 1
a star, planet; any point of light
系 xì
HSK 1
system; line, link, connection