What does 星空 mean?
星空 is a Japanese noun meaning “starry sky” in English. It is written as 星空 in kanji, ほしぞら in hiragana, and hoshizora in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
夜ともなれば彼は好奇心を抱いて星空を見上げたこともあろうと思う。
There were times, at falling night, when he looked up with curiosity to the stars.