Across
- 2. One of the ways we classify stars. They can be supergiants or dwarfs
- 4. Energy that can travel through space
- 6. How some of the sun's radiant energy travels to Earth
- 9. Stars can vary, being blue, white, yellow, or red.
- 11. Tells how much light a star gives off
- 12. A ball of hot, glowing gases
Down
- 1. The coolest stars
- 3. A medium-size star that looks like a giant ball of light from Earth
- 5. A tool that makes faraway objects seem larger
- 7. The hottest stars
- 8. A force that pulls objects toward one another
- 10. A push or a pull
