A Collection of Problems in Differential Calculus: Problems from Calculus I Final Examinations, 2000-2020 Department of Mathematics, Simon Fraser University Veselin Jungic – Petra Menz – Randall Pyke ...

Earth's orbit around the sun is more of an oval instead of a circle. The degree of a planet's orbital ellipse is referred to as its eccentricity. This image shows an orbit with an eccentricity of 0.5.

Earth’s orbit around the Sun is not circular, but an ellipse that is slightly elongated with an eccentricity of 0.017. (An eccentricity of 0 is a circle, while the dwarf planet Pluto has a ...