Across
- 2. Planets that orbit a star outside a solar system
- 4. Sun and the planets and other bodies in an orbit around it
- 7. Time it takes a planet to make one full spin on its axis
- 8. Collection of stars held together by gravity
- 9. A model of the solar system with the sun at the centre
- 11. Path taken by one object moving around another larger object
- 12. Length of time it takes for a planet to orbit the sun
Down
- 1. The imaginary line that the Earth spins around
- 3. Any Large body that orbits a star in a solar system
- 5. The distance light travels in a year
- 6. Changes in the temperature during the year as the Earth moves around the sun
- 10. Lumps Of Rock Orbiting the sun left over from when the solar system was formed