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The average distance is about 150 million kilometers(149.6) or 93 million miles (92.9). This is defined as 1 astronomical unit, or AU, and is equal to about 8.2 light-minutes, as light from the Sun takes about 8 minutes to reach Earth.

Earth's orbit is actually not perfectly circular so the distance between the Earth and the Sun varies slightly over the course of the year, from a minimum of 147.1 million kilometers (91 million miles) to a maximum of 152.1 million kilometers (94.5 million miles).

More Precisely

The semi-major axis of Earth's orbit is 149,597,887.5 kilometers. When it is closest to the Sun (perihelion) it is 147,098,074 km or 0.98 AU. At farthest (aphelion) it is 152,097,701 km or 1.02 AU.

We are farthest away during summer in the northern hemisphere (around July 4th), and closest around January 4, which is summer in the Southern Hemisphere.

The exact distance between Earth and the Sun varies with its position in its orbit, which is elliptical. The average distance (the mean distance) between the Earth and the Sun is about 150 million kilometers (93 million miles).

The average distance from the Earth to the Sun is also called 1 astronomical unit (or AU). This is established as 149, 597, 870.7 kilometers (92,955,887.6 miles).

  • Aphelion (when the Earth is the farthest from the Sun) occurs around the first week of July. The distance is about 152 million km (94.4 million miles).
  • Perihelion (when the Earth is closest to the Sun) occurs in the first week of January. The distance is about 147 million km (91.3 million miles).

Although the Earth is closer to the Sun during "summer" in the Southern Hemisphere, the temperatures are actually warmer during the "summer" in the Northern Hemisphere. This is mainly due to the larger land areas in the Northern Hemisphere, which can increase in temperature more than water areas (the Southern Hemisphere is mostly oceans).

To get more "astronomical" You can also define the distance relative to how long it takes the light to reach Earth which is approximately 8.32 light-minutes or 0.000016 light-years.

The orbit of the Earth around the Sun is an ellipse. The distance is not fixed, but varies throughout its orbit. The average distance is about 150 million kilometers (149,597,890 km) or about 93 million miles (92,955,820 mi.).

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Hettie Walker

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3y ago

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Related Questions

Aphelion is the term for when the earth's orbit brings it farthest away from what?

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What is it called when the earth is the farthest from the sun?

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On about July 4 the earth is the farthest from the sun at its?

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What is the farthest that the Earth can be from the Sun?

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