user
Marco and his brother Mike go on a trip.  The look south they see the earth they look north they see stars how is this posible?
A: rare earth
B: hydrogen
C: there is no heaven
D: they are in space
E: spiral galaxy
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

D

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