Mercury:
What shape is the orbit of Mercury?
Why do you think the Sun is not at the center of Mercury’s orbit?
What did you notice about the motion of Mercury in its orbit?
Click on each highlighted section and record the area. What do you notice about each area?
Click on the “Toggle Major Axes” button. Record any observation regarding the perihelion distance (Rp) and the aphelion distance (Ra).

Earth:
What is the orbit of the Earth?
Is the Sun at the center of the Earth’s orbit?
Describe the motion of the Earth throughout its orbit? Does it move at constant speed?
Click on each highlighted section and record the area. What do you notice about each area?
Click on the “Toggle Major Axes” button. Record any observation regarding the perihelion distance (Rp) and the aphelion distance (Ra).

Mars:
What is the orbit of the Mars?
Is the Sun at the center of the Mars’s orbit?
Describe the motion of Mars throughout its orbit? Does it move at constant speed?
Click on each highlighted section and record the area. What do you notice about each area?
Click on the “Toggle Major Axes” button. Record any observation regarding the perihelion distance (Rp) and the aphelion distance (Ra).

Saturn:
What is the orbit of the Saturn?
Is the Sun at the center of the Saturn’s orbit?
Describe the motion of Saturn throughout its orbit? Does it move at constant speed?
Click on each highlighted section and record the area. What do you notice about each area?
Click on the “Toggle Major Axes” button. Record any observation regarding the perihelion distance (Rp) and the aphelion distance (Ra).

Neptune:
What is the orbit of the Neptune?
Is the Sun at the center of the Nepturn’s orbit?
Describe the motion of Neptune throughout its orbit? Does it move at constant speed?
Click on each highlighted section and record the area. What do you notice about each area?
Click on the “Toggle Major Axes” button. Record any observation regarding the perihelion distance (Rp) and the aphelion distance (Ra).

Comet:
What is the orbit of the comet?
Is the Sun at the center of the comet’s orbit?
Describe the motion of the comet throughout its orbit? Does it move at constant speed?
Click on each highlighted section and record the area. What do you notice about each area?
Click on the “Toggle Major Axes” button. Record any observation regarding the perihelion distance (Rp) and the aphelion distance (Ra).