Physics · Astronomy and Planetary Motion
The orbit of planets around the Sun is described by giving its semi-major axis (a) and its eccentricity (e). An eccentricity of zero corresponds to a circular orbit, and an eccentricity greater than zero and less than one corresponds to an elliptical orbit. The value of the eccentricity of the Earth's orbit is approximately:
- 10.0017
- 20.1670
- 30.0167✓
- 40.6710
Correct answer
0.0167
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