Planets and Orbits Test Review

Front

The closer a planet is to its host star:

Back

the shorter the orbital period.

Front

Eccentricity is equal to: 'c' times 'a', 'a' divided by 'c', 'c' divided by 'a', mc²

Back

'c' divided by 'a'

Front

Which of the following would increase the force of gravity on a planet? Options: Decreasing the mass of the star., Decreasing the distance between the planet and star., Decreasing the mass of the planet., All of the above.

Back

Decreasing the distance between the planet and star.

Front

For all of the planets in our Solar system:

Back

p^{2 =} a³

Front

Back

0.6

Front

An exoplanet is:

Back

any planet outside of our Solar System.

Front

In an ellipse: the two foci are always the same distance from the center.

Back

True

Front

Within its orbit, as the planet gets closer to its host star:

Back

the planet speeds up, the force of gravity on the planet increases, the temperature of the planet increases.

Front

Earth is traveling the fastest during the month(s) of: January., July., September through October., February through March.

Back

January.

Front

The orbital period of a planet:

Back

depends on how far away from the star it is, describes how long "one year" would be on that planet, is how long it takes the planet to go around its star.