Galileo Galilei was born on February 15, 1564

Galileo's birthday
http://www.mmdtkw.org/VGalileo.html

http://en.wikipedia.org/wiki/Galileo_Galilei

http://asv.vatican.va/en/stud/indici_pubblic/CAV_021.htm

NASA's Great Observatories Celebrate the International Year of Astronomy with a National Unveiling of Spectacular Images

http://hubblesite.org/newscenter/archive/releases/2009/07/

NASA plans Galileo's birthday celebration

http://www.upi.com/Science_News/2009/02/10/NASA_plans_Galileos_birthday_celebration/UPI-73181234285116/

eesti keeles:
http://et.wikipedia.org/wiki/Galileo_Galilei

Rahvusvaheline Astronoomia Aasta 2009

http://www.hot.ee/hothotrauno/galileo.html