astronomy

(astronomy) radio astronomy

infrared astronomy

shape

interest

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

小型, 小形: small size, tiny

横書き, 横書: horizontal writing