The "Sendai Astronomical Observatory" is an observatory situated in 9-29-32 Nishikigaoka, Aoba-ku, Sendai, Miyagi Prefecture. It has a Planetarium with seating for 280 people, exhibition rooms, and a 1.3 m large telescope. It's a place where you can learn about the universe while having a lot of experiences. At the Sendai Astronomical Observatory there is an area called "Planet Square" which has a model of the solar system on a scale of 1:7.5 billion where you can compare the size of the planets and do other fun things. Inside the Observatory there is a museum shop that sells magazines about astronomy and space, as well as "space food" and other things.