Scientists use the light a star gives off and looks at the stars spectrum. What information does this give us about the star? 1. Distance 2. Luminosity 3. Size 4. Chemical composition 5. Temperature 6. Age A) I, 2, and 3
B) 1, 2, 4, and 5
C) 4, 5, and 6
D) 1, 2, 3, 4, 5, and 6