The Telescope - A Simple Invention That Changed Our World
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Four hundred years ago, in August of 1609, Galileo Galilei an obscure Math professor from the University of Padua in Italy, revolutionized the world with a simple invention called the 'optik tube'.
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지금 학습 시작하기댓글 85개
- xy약 16년helped me with my history project thanks :)
- angel약 16년cooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooool
- angel약 16년cooooool
- LukiPaki약 16년I love this site
- LukiPaki약 16년Thank You, this has helped me for my 2009 history fair
- Michael약 16년WOW!!!This is great!i never new that!!!
- Dave약 16년Must agree with you Greg, this is pretty cool
- Greg약 16년Must, agree thus is a great invention,
- Sharon약 16년Wow, love it will let a few friends know about it.
- Lachlan약 16년that is realy cool and interesting. it really helped my assighnment. you should put more astronamy info on.