写一篇介绍宇宙的英语作文60字左右 提示语:Iarge ,universe,planet,solar system,sc

the universe is quiet large and contains many systems.In our solar system,nine planets circle around our Sun.The Sun sits in themiddle while the planets travel in circular paths (called orbits) around it.scientists always try to explore the space by spacecrafts and during the discovery,we learn more knowledge and feel very excited

Iarge ,universe,planet,solar...............省略几十字