Across
- 2. - Star with a variable brightness used to measure distances.
- 4. - Small, cool star with a long lifespan.
- 5. - Dense star composed mostly of neutrons.
- 7. - Large, hot star with a short lifespan.
- 8. - Medium-sized star like the Sun.
- 10. - Extremely large star with a high luminosity.
Down
- 1. - Star system with two stars orbiting each other.
- 3. - Stars that are fusing hydrogen into helium.
- 6. - Rotating neutron star emitting beams of radiation.
- 9. - Remnant of a medium-sized star after it has shed its outer layers.