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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?_________________________