Across
- 5. the scientific study of the origin of the universe
- 6. a unit of astronomical distance equal to 3.26 light-years
- 7. a region in the Hertzsprung Russel
- 8. an unusual celestial object that is as bright as a galaxy but appears as a compact as a distant star
- 9. as immense cloud of interstellar gas and dust
- 10. A stars brightness as it would appear at a standard distance from that star
- 12. A stars brightness as viewed from earth
- 13. the distance that light travels in a year
- 14. something having to do with stars
- 15. the apparent change in position of distant object as one viewing position changes
Down
- 1. a graph used to classist stars on the basis of their color/temperature
- 2. an unusual star thar regular changes brightness as it expands and contracts
- 3. an immense star with a mass up to 70 solar masses
- 4. the study of the universe specifically how the universe began and how it has changed over time
- 11. a simplified drawing showing the appearance