Across
- 2. A man-made object launched into space.
- 4. A scientist who studies space.
- 8. Earth spinning on its axis.
- 9. A satellite used to predict weather.
- 10. The path an object follows around another object.
- 12. A shape that is slightly oval.
- 13. The four periods of the year.
- 15. A sloping position, not straight upright.
Down
- 1. The imaginary line around the middle of Earth.
- 3. A satellite used for directions and GPS.
- 5. The action of carefully watching something.
- 6. Earth’s natural satellite.
- 7. The collection of planets around the Sun.
- 11. One half of the Earth.
- 14. A scientist with expert knowledge of science.