AAAS Science Assessment ^beta

Diagram 1 below shows that the earth’s path around the sun as nearly circular and Diagram 2 shows that the path as strongly elliptical.

What is the actual shape of the earth’s path around the sun?

1. Nearly circular (slightly elliptical)
2. Strongly elliptical
3. The shape of the path changes so that some years it is nearly circular and other years it is strongly elliptical
4. Neither. The earth does not move around the sun; the sun moves around the earth.