Born on this day 458 years ago, Galileo helped perfect the use of a new tool – the telescope – to study our solar system. | Poal: Say what you want.

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Born on this day 458 years ago, Galileo helped perfect the use of a new tool – the telescope – to study our solar system. (www.pbs.org)

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I've got a bunch of ready made lenses and I still can't get it done.

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