在 + 星空 + 下
The noun 星空 (xīngkōng) means "starry sky" or "star-filled sky," referring to the night sky with visible stars. It is often used in poetic or descriptive contexts. For example, 在星空下 means "under the starry sky."
今晚的星空太美了,能看到银河。
Jīnwǎn de xīngkōng tài měi le, néng kàndào Yínhé.
The starry sky tonight is so beautiful; you can see the Milky Way.
我们躺在草地上一起看星空。
Wǒmen tǎng zài cǎodì shang yìqǐ kàn xīngkōng.
We lay on the grass and looked at the stars together.
远离城市灯光才能看到真正的星空。
Yuǎnlí chéngshì dēngguāng cái néng kàndào zhēnzhèng de xīngkōng.
You can only see a real starry sky far from city lights.