*The summary and the main idea of this lesson (We will travel to the stars) is:
Learning the name of each planet and where does it located , and what the difference between galaxy and Milky way.
In addition to that Yuri Gargareen was the first person on the space and Niel Armstrong was the first person on the moon.
Finally, the scrapyard can cause a serious problem on our planet ,the scapyard like,: a camera, a screwdriver, and even a glove.