Italian "father of Observational Astronomy"

This page is the CodyCross answer for the clue below from Seasons, Group 69, Puzzle 5 (Leaf Peeping).

Question is: Italian "father of Observational Astronomy"

and the answer is: GALILEO

Word Meaning:

GALILEO — The CGS unit of acceleration, equal to 1 centimetre per second per second (1 centimeter per second squared, 1cm/s^2). Symbol: Gal

Definitions from Wiktionary.

Italian "father of observational astronomy" — CodyCross Answer | CodyCross Solutions