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Speed of earth around sun

Updated: 7/5/2023
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12y ago

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The Earth orbits the Sun at an average of about 107,000 km/h (67,000 mph).

The Earth orbits the Sun in an elliptical path; when closer to the Sun (perihelion is on January 4), the Earth is moving a bit more quickly, and when the Earth is farther away (aphelion about July 3) it is moving a little bit more slowly. But the average speed is around 67,000 MPH.

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13y ago
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15y ago

Let us do a little math. The sun is 93 million miles away. Earth's orbit is not perfectly circular, but close enough that treating this as a radius and multiplying it by 2 pi gives us a good approximation of the total distance earth travels in a year.

2π(93000000) = 584 million miles. 584 million divided by 365 is 1.6 million miles per day. Divide that by 24 and you get 67 thousand miles per hour. Divide that by 60 and you get 1111 miles per minute. Divide by 60 again: 18.5 miles per second. Yes, I'd round that off to 19 miles per second.

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14y ago

The speed of light (in a vacuum) is not affected by movement. The speed of light is the same for any observer. This seems counterintuitive, when you think about it, but countless experiments (starting with the famous Michelson-Morley experiment) have failed to find a difference in the speed of light, no matter how the emitter or the observer moves.

The speed of light (in a vacuum) is not affected by movement. The speed of light is the same for any observer. This seems counterintuitive, when you think about it, but countless experiments (starting with the famous Michelson-Morley experiment) have failed to find a difference in the speed of light, no matter how the emitter or the observer moves.

The speed of light (in a vacuum) is not affected by movement. The speed of light is the same for any observer. This seems counterintuitive, when you think about it, but countless experiments (starting with the famous Michelson-Morley experiment) have failed to find a difference in the speed of light, no matter how the emitter or the observer moves.

The speed of light (in a vacuum) is not affected by movement. The speed of light is the same for any observer. This seems counterintuitive, when you think about it, but countless experiments (starting with the famous Michelson-Morley experiment) have failed to find a difference in the speed of light, no matter how the emitter or the observer moves.

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14y ago

The speed of light (in a vacuum) is not affected by movement. The speed of light is the same for any observer. This seems counterintuitive, when you think about it, but countless experiments (starting with the famous Michelson-Morley experiment) have failed to find a difference in the speed of light, no matter how the emitter or the observer moves.

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12y ago

It takes Earth one year - about 365 days - to move once around the Sun. That's how the year is defined.

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14y ago

The Earth revolves around the Sun at an average speed of about 29.9 km/s or in miles 18.6m/s

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12y ago

100 miles per hour

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13y ago

The speed in its orbit is about 30 km/sec (30,000 meters/second).

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14y ago

The earth's mean orbital velocity is 29.8 km per second (18.5 miles per second).

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14y ago

The speed the Earth travels around the Sun is 29.9 km/s. This is calculated by taking the Earths orbital circumference (942000000 km) and dividing by the orbital period (365 days)

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