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Transcript
Name______________
Lives of the Stars notes
1. What do stars form from and where do they form?
__________________________________
2. What is the initial reason why the particles within the nebula begin to
“clump” together? ______________
_____________________________________________________________
3. What causes the center of the “core” to heat up?
____________________________________
4. When does a protostar begin the nuclear reaction (fusion) in its core?
__________________________
_____________________________________________________________
5. What supplies the nuclear energy within the newly formed star?
____________________________
Most Massive Star
6. What determines the size, color, and temperature of a star?
______________________________
7. What is the color and surface temperature of the most massive star?
__________________________
8. How much more mass than our Sun _________ how much bigger
(radius) ___________ how much brighter _________
Stars of Spectral Classes B to M
9. What color is our sun? ___________what class is it in?
______________what is the surface temp? ____________
10. What color is the hottest star? ________________ Coolest
star?_________________________