Across
- 2. ______________ is the total amount of energy that a star radiates each second.
- 3. What color is an "A" star?
- 4. What color is an "M" star?*
- 9. What are main sequence stars fueled by?
Down
- 1. What is the largest known type of star?
- 5. _______ stars are small stars.
- 6. as a star begins to die, what type of star does it become?
- 7. what is a rapidly spinning neutron star that emits energy in pulses?
- 8. List the seven main types of stars in order of decreasing temperature?