It is a beautiful thing to know that the heavens are not immutable.

Father of modern observational astronomy

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Details

Context

Referring to his observations of sunspots and lunar imperfections.

Date / Period

1610-1613

Source

https://www.gutenberg.org/files/64166/64166-h/64166-h.htm

Verification

Unverifiable

Explanation

Found in 1 providers: grok

Method

Cross Reference

Sources Checked

1 source

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