Why was Galileo important to the field of astronomy?
By introducing telescope to Astronomy Galileo has earned the title " father of observational astronomy " He helped establish the Copernican Heliocentric Theory beyond any doubt. Thus he brought the Copernican Revolution to its completion.
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Galileo was important to astronomy for his observations using a telescope, supporting the heliocentric model, discovering Jupiter's moons, and challenging geocentric views.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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