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Which "sphere" does an astronomer most directly study? a. biosphere b. exosphere c. geosphere d. cryosphere E. atmosphere F. hydrosphere

Which "sphere" does an astronomer most directly study? a. biosphere b. exosphere c. geosphere d. cryosphere E. atmosphere F. hydrosphere
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3 votes
Which "sphere" does an astronomer most directly study?

a. biosphere
b. exosphere
c. geosphere
d. cryosphere E. atmosphere F. hydrosphere

User Perelin
by
7.6k points

1 Answer

7 votes
b. exosphere. just remember they exit our world.
User Nakima
by
8.0k points
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