2 sentences

1. 欢迎来到天文馆。

   huān​yíng lái​dào tiān​wén​guǎn.

   Welcome to the planetarium.

   Source: OpenSubtitles

2. 孩子们喜欢去天文馆看星星。

   hái​zi men xǐ​huan qù tiān​wén​guǎn kàn xīng​xing.

   Children love going to the planetarium to look at the stars.

   Source: Dong Chinese Dictionary