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0.016710220 is the Earth's orbital eccentricity
The planet Venus has phases similar to the moon's phases because of its orbit around the sun, inside the orbit of the Earth. Because of its particular orbit, an observer from the earth is?æable to see various phases.
It spins around the earth on an axis like how the planets spin around the sun.
Mars
Venus, because it is very similar size to Earth, and it is a rocky planet like Earth is.
The eccentricity of the Earth's orbit is currently about 0.0167; that rounds to zero.
The eccentricity of the Earth is approximately 0.0167.
0.016710220 is the Earth's orbital eccentricity
The planet Venus has phases similar to the moon's phases because of its orbit around the sun, inside the orbit of the Earth. Because of its particular orbit, an observer from the earth is?æable to see various phases.
It spins around the earth on an axis like how the planets spin around the sun.
The Earth has an eccentricity of 0.01671123. Where 0 is a perfect circle, and 1 is a parbola. So by that it has a low eccentricity.
Venus is often compared as Earth's "sister planet", being similar in size and internal composition.
Gliese 581 e is a planet with a mass similar to Earth and within the "habitable zone". See related links for more information
The actual shape of the earth's orbit around the sun is horrendously complicated. Partly because the earth does not orbit the sun and also because the orbit is influenced by the the gravitational attraction of the other planets. The earth does not orbit the sun: the centre of mass of the earth-sun system is at one of the foci of an ellipse whose eccentricity is 0.0167. The eccentricity varies from 0.0034 to 0.058.
Mars
Saturn has an eccentricity of 0.054 which is almost exactly the same as moon's eccentricity of 0.055. They differ by 1.5%. This makes Saturn's orbit the closest approximation of the lunar orbit.
No, the moon's orbit is elliptical with an eccentricity of about 0.55