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 ...

But, in some cases, it might be what turns oddball ideas into corporate empires. The kind of eccentricity in question is less about personal style or leftfield hobbies, and more about an ...