Which ancient Greek philosopher is suggested to have hypothesized about mountains on the Moon, despite lacking verifiable observation?
Answer
Anaxagoras
Even prior to the advent of telescopic observation, some early thinkers contemplated the Moon's composition. Specifically, sources suggest that the ancient Greek philosopher Anaxagoras put forth the idea that mountains existed on the Moon. However, these were speculative hypotheses based on incomplete or non-repeatable observations. Because these ideas lacked the necessary empirical proof and verifiable support, they were typically suppressed or disregarded in favor of the established cosmological models which demanded celestial perfection.

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