Across
- 3. The light that comes from the sun.
- 6. A large structure in space where people can live and work.
- 7. A man who travels or works in space.
- 8. The time in the evening when the sun disappears.
- 9. Another word for sunrise, when the sun comes up.
- 10. The star at the center of our solar system.
- 12. The vast area beyond Earth’s atmosphere.
- 13. The time in the morning when the sun appears.
- 14. A ray of sunlight.
- 15. A beam of light coming from the sun.
- 16. A woman who travels or works in space.
- 17. The first artificial satellite, launched by the Soviet Union in 1957.
Down
- 1. A high layer of Earth’s atmosphere above the troposphere.
- 2. A huge ball of gas in space that gives off light and heat.
- 3. A reusable spacecraft that carries people and cargo into space.
- 4. A spacecraft sent to collect information about space.
- 5. The combination of space and time as a single idea in physics.
- 6. A special suit worn by astronauts to survive in space.
- 8. A vehicle used for traveling in space.
- 11. An activity where an astronaut works outside a spacecraft.
- 14. Related to the stratosphere or extremely high levels.
- 15. A vehicle designed for space travel.
