HBD to Galileo Galilei

#OTD 15 February 1564 (OS), Italian astronomer, physicist, engineer, philosopher, and mathematician #Galileo Galilei was born @esascience @ESA_Italia 👉 https://t.co/1uGryTxdTz pic.twitter.com/soqmltpvUB

— ESA space history (@ESA_History) February 15, 2021