Curve Arm Halo
Astronomy worksheet questions
?How did Harlow Shapley determine where the center of the galaxy lies?
a) He plotted the distribution of open clusters.
b) He plotted the distribution of globular clusters.
c) He made star counts in every direction of the galactic disk.
d) He measured the amount of dust obscuration in every direction of the galactic disk.
How is the age of the galaxy determined?
a) Measuring the metallicity of Population II stars.
b) Finding the turnoff point in the H-R diagram of globular clusters.
c) From the motion of stars in the galactic halo.
d) Counting the number of open clusters in the spiral arms.
_________ are produced when two galaxies pass near each other and pull large streamers of stars, gas, and dust away from the galaxies.
a) Ring galaxies
b) Spiral galaxies
c) Rotation curves
d) Tidal tails
e) Irregular galaxies
If I could find them in my textbook i would not have asked on here...i found all of the other questions but i cant find these...so thanks for nothing
All of those answers can be easily found by reading your textbook. I can guarantee you that the same questions won't show up on the test, so you will be much better off doing the reading than cheating.
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