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Why is the distance between the Sun and Earth important in Astronomy?

Answer 1

Lydia Allen

The average distance between Sun and Earth is used as unit to measure distances in solar system.(Astronomical unit).

This is 149597870 kilometers, and it is referred to as an astronomical unit.

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Answer 2

Elena Antonova

Understanding the distance between the Sun and Earth is essential for calculating celestial distances and positions in the solar system. It also determines the amount of sunlight that reaches Earth, which affects climate and seasons, as well as the gravitational force that affects Earth, which affects its orbit and tides.

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Answer from HIX Tutor

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.