Title: Konstantin Tsiolkovsky's 155th birthdayDate: Sep 17, 2012
Location: Russia
Tags: Sciences, inventor, Birthday, space
History:
Title : Google Doodle Konstantin Tsiolkovsky's 155th birthday
Description : Title: Konstantin Tsiolkovsky's 155th birthday Date: Sep 17, 2012 Location: Russia Tags: Sciences, inventor, Birthday, spac...