Across
- 4. The distance from one point on a wave to the next corresponding point.
- 6. Most stars who occupy the region in H-R Diagram.
- 8. Relationships demonstrated on a graph. Properties: Mass, luminosity, temperature and diameter.
- 10. How bright a star would appear if it were placed at a distance of 10 pc.
Down
- 1. Groups on stars.
- 2. When only two stars are gravitationally bonded together and orbit a common center of mass.
- 3. Apparent shift in position caused by the motion of the observer from earth.
- 5. To measure the energy output from the surface of a star per second.
- 7. Measuring often uses a unit larger than a light year.
- 9. Observable properties of a star is how bright it appears.