Set off on an adventure through space like an Astronaut! What are Saturn's rings made of? How far is the Earth from the Sun? How many moons does Jupiter have? Piece together the giant oval-shaped puzzle, read the book and learn all about our universe.

像宇航员一样开始太空探险之旅！土星的光环是由什么组成的？地球离太阳有多远？木星有几颗卫星？将这个巨大的椭圆形拼图拼凑起来，阅读这本书，并全面了解我们的宇宙。