What was true regarding ancient thinkers and lunar imperfections prior to Galileo's confirmed observations?

Answer

Ancient thinkers had occasionally speculated about lunar imperfections.

While Galileo was the first to confirm lunar roughness with optical instruments, the text notes that ancient thinkers had occasionally speculated about lunar imperfections before the telescope existed.

What was true regarding ancient thinkers and lunar imperfections prior to Galileo's confirmed observations?
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