1. What is a Star and how are they formed?

2. Some pictures of Stars

3. Our Star, the Sun

4. Now Read The Life Cycle of a Star

5. Nebulae

6. Protostar

7. Our Sun

8. Red Giant

9. A Dwarf?

10. White Dwarf

11. Black Dwarf

12. Sizes of Stars

13. Sizes of Stars
On the bottom right are Arcturus (orange giant), Rigel (blue giant), Sirius A (blue dwarf) and the Sun (yellow dwarf). Meanwhile on the left at the top the Sun is shown blown up and compared with Proxima Centauri (a red dwarf) and Sirius B (a white dwarf).

15. Pictures Pictures were found at the links below: http://www.nasa.gov
sevendwarfs.html