The densest stars known to exist are ________.
A) black holes
B) neutron stars
C) white dwarfs
D) red dwarfs
Correct Answer:
Verified
Q1: Which color stars have the coolest surface
Q6: The main difference between Bright and Dark
Q7: Interstellar matter is composed primarily of _.
A)ions
B)dust
C)oxygen
D)hydrogen
E)helium
Q8: What was Hubble's major contribution to Cosmology?
A)He
Q10: What two elements formed first?
A)electrons and protons
B)hydrogen
Q11: A Hertzsprung-Russell diagram (H-R Diagram)is a plot
Q12: Which main- sequence stars are the most
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
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