2. Earth Science Lab Practical Review

3. E =______________________ Length of the major axis
Eccentricity
What is the formula for eccentricity?
Distance between foci
E =______________________
Length of the major axis

4. Eccentricity FOCI MAJOR AXIS An ellipse
YOU MUST MEASURE TO THE NEAREST .1 OF A CENTIMETER!!
MAJOR AXIS

5. Eccentricity
5.0 cm =

6. Eccentricity
Eccentricity
5.0 cm
= =
9.2 cm
.543

7. Eccentricity
If this were the Earth’s orbit, where would the Sun be located?
Where would the Earth’s orbital velocity be the fastest?
SUN