Prof. Abraham Lincoln
Your name. (Lastname, Firstname I.)
To end of test.
Read this lesson on the planets and then answer the following questions.
The most important members of the sun's family are the
planets, of which the Earth is one. Some of them are
attended by secondary bodies known as satellites; we have
one natural satellite, the moon, Jupiter has over a dozen.
Also moving around the Sun are various bodies of lesser
importance such as comets and asteroids.
What is the significance of the fact that the planetary orbits are elliptical rather than circular on the orbital speed of the planets?
Also, where is the Sun located in relation to the ellipse?
After reviewing your answers press the Transmit button to complete this test.