Across
- 1. where does nuclear fusion take place in the sun?
- 4. Radii Astronomers use this measure to measure the size of other stars.
- 8. How does the sun produce energy?
- 9. Does the Sun rotate faster at its equator or at its poles?
- 10. most of the radiation from the sun is ______________.
- 12. Stars are classified by temperature ________ and size.
- 14. the measure of how bright a star would be if the star were located at a standard distance. ______ magnitude.
- 16. What is the outer atmosphere of the sun?
Down
- 1. What type of energy transfer occurs in the convective zone?
- 2. Huge loops of relatively cool gas that extend outward from the photosphere.
- 3. very bright spots on the sun's photosphere.
- 5. the actual brightness of a star.
- 6. celestial body that is composed of gas and emits light.
- 7. the measure of a star's brightness as seen from Earth. ______ magnitude.
- 11. The sun is composed of mostly what gas?
- 13. Cooler Dark areas on the suns surface.
- 15. What stars are the hottest color?