1. Beijing Astronomical Museum has a variety of popular science and education movies of 4D and 3D every day, which are quite exciting. The price is between 30 and 50. Each movie lasts about 40 minutes, so you can pick it up and see it. 2. If you buy a movie ticket, you will be free of 10 yuan. 3. The Astronomical Museum has A and B Museum, the second floor is a cinema, the first floor is an exhibition hall, and the first floor of B Museum is also an exhibition hall. 4. Every afternoon, the first floor is also an exhibition hall. Closed at 6:30, feeling a little early.