What is the Copernican Theory?
For 1500 years it was believed that the Earth is centre of the universe.
Nicholas Copernicus (1473 -1543)replaced the Sun at the centre of the universe and made Earth as planet..THis was a big revolution in astronomy.
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The Copernican Theory, proposed by Nicolaus Copernicus in the 16th century, posits that the Sun is at the center of the solar system, with the planets, including Earth, orbiting around it. This theory replaced the geocentric model, which held that Earth was the center of the universe.
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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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