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2 votes
Which "sphere" does an astronomer most directly study?

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

User Noobug
by
6.9k points

2 Answers

3 votes

Answer:

exosphere

Step-by-step explanation:

exosphere is space

astronomy is space

User Mflodin
by
6.7k points
1 vote
I would choose B. exosphere. Astronomers study outer space, planets and ect.