The dimensions of the disk of our Milky Way Galaxy are
A) diameter,80,000 light-years;thickness,6500 light-years.
B) diameter,6500 light-years;thickness 2000 light-years.
C) diameter,2000 light-years;thickness,160,000 light-years.
D) diameter,160,000 light-years;thickness,2000 light-years.
Correct Answer:
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