太陽系外惑星 たいようけいがいわくせい Meanings Noun extrasolar planet; exoplanet Kanji 太 thick. Read as タイ. 陽 sunshine. Read as ヨウ. 系 system. Read as ケイ. 外 outside. Read as ガイ. 惑 bewilder. Read as ワク. 星 star. Read as セイ. Jinuma: Japanese Dictionary · Word lists