Throughout history, mankind have been working hard on the space(explore) to learn more about the universe though it was thought (possible) before the mid-20th century. However, so many scientists were determined to make the human dream to explore space realized. With the first satellite launched and orbiting around Earth successfully, Yuri became the first astronaut(send) into space in 1961. After that, American astronaut Neil Armstrong succeeded in stepping onto the moon. Although the failure of Challenger was (disappoint), human beings went on with their desire to explore the universe.
(follow) Russia and America, China became the third country in the world to send humans into space (independent) in 2003, Yang Liwei successfully orbited Earth. Since then, China(make) great progress in exploring space. Shenzhou 6 and 7 were sent into space, the Tiangong 2 docked with Tianzhou 1, and Chang'e 4 landed on the moon.
Exploring space has already madedifference and has provided the world many different benefits. Therefore, it should continue so as to provide new and better solutions to people's problems.
