Across
- 4. shift in position caused by motion of observer
- 5. the power of a star
- 7. runs diagonally from the upper left corner where hot, luminous, stars are represented, down to the bottom right where coooler stars represented.
- 8. Unit larger than a light year, 3.2 LY
- 9. When only 2 stars are gravitationally bound together and orbit a common mass.
Down
- 1. compares stars properties.
- 2. how bright a star would appear placed at 10 pc
- 3. how bright a star appears
- 6. groups of stars named after animals, characters, and other objects.