Ellipses are defined as curves that surround two focal points. At any point on the ellipse, the sum of the distance to both ...

However, this orbit is not a perfect circle. Instead, it's slightly flattened, forming an ellipse. This alteration allows for a point in the earth's orbit to be identified as being the closest to ...

shouldn't the deviation in its orbit be a little over 3%? The answer to this question is the sun is not at the center of the ellipse but offset to one side as a point called the focus. If during ...