Venkatesh Rao@vgr·Jan 4, 2021I'm blanking on the name of an early Italian mathematician/astronomer, name begins with B I think... guy who first challenged the idea of a "celestial sphere" and that the stars were at varying distances etc. Help?63
Venkatesh Rao@vgrReplying to @karatalaamalakayep... remembered just after posting :D8:10 PM · Jan 4, 20211 Like