| A | B |
|---|
| astronauts | someone who travels in space |
| history | a description of past events |
| capsule | part of the rocket or spacecraft in which the crew travels |
| countdown | a backward counting from a certain number down to zero, as at a missile launch |
| rockets | a vehicle shaped like a long tube with a pointed end that can travel very fast |
| loomed | to appear in a sudden or frightening way |
| craters | a large hole in the ground |
| circled | to draw or make a circle around something |
| linked | to join objects, ideas, or people together |
| began | to start |
| Earth | the planet on which we live |
| ever | at any time, in any way |
| remember | to recall or bring back to mind |
| try | to attempt to do something |
