History of space travel
|
Time
| Events
| Information concerned
|
Early 1900s
| High-flying rockets were built.
| It made the ancient dream of going to space possible to come 66) ▲
|
1903
| Konstantin Tsiolkovsky (67) ▲ out a way to use rockets for space travel.
| He planned to put correct scientific calculation to use in rocket science.
|
Around (68) ▲
| Robert Goddard built new rockets.
| The rockets could fly very (69) ▲ in the sky.
|
During and after World War II
| German scientists built large rockets that could travel very far and carry dangerous explosives.
| Germany was ahead of all the other countries in building space rockets and later it (70) ▲ the Soviet Union and the United States
|
| The Soviet Union and the United States competed to get to space first.
| The Soviet Union became the (71) ▲ of the competition when it launched the first satellite and sent the first astronaut into space.
|
1969
| The United States was (72) ▲ in putting a person on the moon.
| In one way, it (73) ▲ the Soviet Union by becoming the first country to fly people to the moon.
|
1970s
| The Soviets built the first space station and was soon followed by Americans. And they finally ended the "space race" by (74) ▲
| Astronauts can live and work in space stations.
|
1980s--
| Space shuttles are used as new vehicles for space (75) ▲ .
| Shuttles are also used to help put satellites into space.
|