Multiple Choice
What are the key structural features of the Milky Way?
A) central axis, spiral arms, galactic disk, galactic bulge, and galactic halo
B) spiral arms, galactic disk, galactic bulge, and galactic halo
C) central axis, spiral arms, galactic bulge, and galactic halo
D) central axis, spiral arms, galactic disk, and galactic halo
Correct Answer:
Verified
Correct Answer:
Verified
Q5: In the Hertzsprung-Russell diagram, _ stars populate
Q6: A very high-mass star with a mass
Q7: A patch on the surface of the
Q8: Astronomers can distinguish galaxy types based on<br>A)shape
Q9: A photon from a dying star may
Q11: Solar flares, solar prominences, and sunspots are
Q12: The _ can extend 3 million kilometers
Q13: Our Sun currently falls on the main
Q14: The star that has longest life span
Q15: How does energy move through the Sun's