Across
- 2. of the moon The periods of the lunar cycle, shown by changes in the shapes of the Earth.
- 5. All existing matter, energy and space.
- 7. The path of one object going around another object in space.
Down
- 1. A ball of gas giving out energy in the form of heat and light.
- 3. When the moon blocks the sun or the moon is in the shadow of the earth.
- 4. A large spherical object that orbits a star.
- 6. A 3d ball that orbits around bigger planets