2016-2017学年 人教版 必修三 Unit 4 Astronomy :the science of the stars Reading 课件 (10)
2016-2017学年 人教版 必修三  Unit 4 Astronomy :the science of the stars  Reading 课件 (10)第2页

Twinkle, twinkle, little star, How I wonder what you are…

This is a very old children’s song. It suggests that even from an early age, people have been observing and thinking about the beautiful stars in the sky. The science of stars is called Astronomy.