Across
- 3. This could be a possible solution to the lack of food as well as a way to recycle oxygen on extended missions.
- 5. Space crafts and suits must have this to protect from both extreme temperature fluctuations and from micrometeorites.
- 9. Humans need a constant supply of this gas to react with food to gain energy.
- 10. Human bodies are used to this force, --- --------,surrounding us.
- 11. Inventions like toilets must be redesigned to work in this environment.
- 13. This is a tiny space rock that has the potential to be traveling at the speeds of a bullet.
Down
- 1. Objects in space have a lot of this between them. It will take months for a human to travel from Earth to Mars.
- 2. Transparent layers of this precious metal can protect eyes form harmful radiation.
- 4. Your muscles atrophy without this.
- 6. These must provide air pressure, oxygen, temp. regulations, protection form radiation and micro-meteoroids on space walks.
- 7. This fluctuates based on direct sunlight and shadows.
- 8. This is not readily available in space and must be packed as supplies for a mission.
- 12. The sun puts off massive amounts of this in many forms from damaging UV to harmless light.