| Answer | Crossword Clue |
|---|---|
| astronauts | ASTRONAUT, a person engaged in space travel |
| astronaut | a person engaged in space travel |
| spacewalk | A period of physical activity engaged in by an astronaut in space outside a spacecraft |
| spacewalks | A period of physical activity engaged in by an astronaut in space outside a spacecraft |
| SCHIRRA | Astronaut Wally, the first person to go into space three times |
