| Answer | Crossword Clue |
|---|---|
| WEIGHTLESSNESS | What an astronaut experiences in space |
| MERCURY | First mission to put an American astronaut in space |
| spacesuit | A garment designed to allow an astronaut to survive in space |
| spacesuits | A garment designed to allow an astronaut to survive in space |
| 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 |
| spacewalk | an excursion by an astronaut outside his or her craft while in space / to walk in space |
