| A | B |
|---|
| astronaut | a person who travels beyond the earth's atmosphere |
| capsule | a small pressurized vehicle for space flight |
| countdown | counting backwards like in the launching of a rocket |
| rockets | the propulsion part of a space vehicle |
| loomed | to come into sight in enlarged form |
| craters | a hole in the ground formed by an impact |
| circled | to move or revolve around |
| linked | attached together |
| history | a record in time of important events |
