根据短文内容从方框中选择合适的词填空(有两词多余)

nearest, learn, Thanks, includes, far, seen, receiving, smaller, Thanks to,

The universe (宇宙) is so wide that we still don’t know much about it. It 【小题1】 the earth, the sun, the moon and the stars, and the space between them as well. Many of the stars can not be 【小题2】 because they are too far away. The moon travels around the earth. It’s our satellite. It’s the 【小题3】 to our earth. So far, humans have visited it already. And spaceships without people have reached other parts of the universe. Many countries have launched lots of man-made satellites into space. The satellites travel around the earth and help us 【小题4】 more about the earth, the weather and other things. They are used for 【小题5】 messages. With their help, TV and radio programs can be sent to countries all over the world. Satellites can also help us make telephone calls to foreign countries.

Our knowledge of the universe has been growing all the time. 【小题6】 space satellites (人造卫星), the world itself is becoming a much 【小题7】 place and people from different countries now understand each other better.