Across
- 1. a giant cloud of dust and gas
- 3. used in a scale to signify something is going farther to something
- 5. what is our planet earth?
- 7. magnitude of how an object appears from the sky on earth
- 11. a diagram of absolute magnitudes
- 13. is the state of being luminous
- 14. groups stars are classified in
- 15. a small rock orbiting the sun
- 16. all of space and time including planets
- 17. galaxies that have no structure
- 19. a big bright light in a shape of a sphere in space
- 20. a circular-shaped galaxy
Down
- 2. the range of all types of EM radiation
- 4. the galaxy that includes our solar system
- 6. an icy,small solar system body that warms and begins to release gases when nearing the sun
- 8. the number of occurrences or repeating things of time
- 9. the big star that people oon earth see in the sky
- 10. used to signify that something is coming closer to something
- 12. a non-normal galaxy
- 18. the magnitude of an object with a standard distance of 10 parsecs