A red star is ________ our Sun.
A) hotter and smaller than
B) hotter and larger than
C) colder and larger than
D) colder and smaller than
E) approximately the same temperature and size as
Correct Answer:
Verified
Q10: What two elements formed first?
A)electrons and protons
B)hydrogen
Q11: A Hertzsprung-Russell diagram (H-R Diagram)is a plot
Q13: The reason scientists believe the reflective bright
Q14: Fluorescence occurs when _.
A)visible light is converted
Q16: Which main- sequence stars are the least
Q16: Why did Hubble think the Cepheid variables
Q17: When viewed through an optical telescope,planetary nebula
Q18: The red color of emission nebulae comes
Q19: Fluorescence is a characteristic of _.
A)emission nebulae
B)dark
Q20: Cepheid Variables are stars whose brightness varies
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