All orbits are ellipses. You might describe an ellipse as a "flattened circle", but mathematically, a circle is a special version of an ellipse in which both foci are at the same spot.
It is called an ellipse.
a circle that has been flattened a little is an
the earths orbit because the earths orbit is the size of earth + the size of the moon
Earths Orbit? Earths Orbit?
Ellipse
I am not sure if it is called a circumference, since it is not a circle, but whatever it is called is 583,400,000 miles in length.
a monophelia
Earths orbit around the sun is not unusual.
ellipse
ellipse
A circle.
Earth's eccentricity Eccentricity is defined as the difference in shape between an ellipse and a perfect circle. In a similar fashion to Earth's obliquity, the more uniform Earth's orbit is (more like a perfect circle), the less difference there is in climate change throughout the year.