The Ellipse - Problem 19 478 views
We know that planets' orbits are often elliptical. We can use the eccentricity, or ratio of c to a, to find the closest to the sun and farthest from the sun that a planet travels. For many students, the most difficult part of these models is interpreting all of the letters and vocabulary in context. Here we also address how to read scientific notation off your calculator.
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