Across
- 3. are satellites of planets.
- 6. the study of Stars, Planets and Space.
- 8. a round ball shape called a sphere. A half sphere is called a ----------.
- 11. a small particle of space material pulled from the Earth's gravity which burns up on entering our atmosphere
- 13. the effect of city lights etc. lighting up the sky and reducing our view of the sky.
- 14. what occurs when the passing Moon obscures the Sun.
- 16. a belt of Asteroids orbiting the Sun that exists between Mars and Jupiter.
- 17. the name given to unmanned space crafts sent on mission into space.
- 19. pieces of rock or metal that orbit around the Sun.
- 20. a piece of space rock large enough o survive passage through our atmosphere and impact the Earth.
- 21. a person who travels and works in space.
- 23. a spectacular 'light show' seen in high latitudes and caused by Solar Flares from the Sun.
- 24. balls of frozen gas that are thought to be material left over from the birth of the Sun and are in huge orbits around the Sun with a visible 'tail.'
- 25. the concept that the universe was formed some 14 billion years ago by the explosion of small lumps of matter.
Down
- 1. a description of direction
- 2. our closest star
- 4. the layers of gases that surround many Planets and other bodies
- 5. a region is space that has such an enormous force of gravity that light cannot escape.
- 7. the name given to the system orbiting the Sun.
- 9. a group of stars which appear to form a pattern in the sky.
- 10. a bright multiple star known as the Outer Pointer of the Southern Cross.
- 12. huge spheres of burning gas, mostly hydrogen and helium and are a source of energy in the form of light and heat.
- 15. is a body held in the gravity of a parent body and is in orbit around the parent.
- 18. are satellites of stars
- 22. the belief that our lives are influenced by stars etc.
- 26. a collection of billions of stars, held together by gravity.