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Planetary Motion

Use your Kepler notes, Wednesday's articles, and the lab demos to find the answers. Take a screenshot and upload to classroom. 
Horizontales
The distance from a planet to the sun is always given as an __________.
Kepler's First Law states that planets move in elliptical ______ with the sun at one focus.
If a planet has an eccentricity that is closer to zero, its orbit will be more _______.
The shape of an ellipse is measured by its what?
If a planet has an eccentricity that is closer to 1, its orbit will be more _______.
For planet Earth, what will always be at one focus point in its orbit?
A planet moves _______ when it is furthest from the sun.
The force of gravity will ______________ as two objects move farther away from one another.
The force of ________ coming from our sun is what keeps all the planets in our solar system in their orbit.
Verticales
This scientist, along with Newton, explained most planetary motion.
An imaginary line joining a planet and the sun sweeps out an _____ area of space in ______ amounts of time.
Which planet has the fastest orbit?
A planet moves ____________ in its orbit when it is closest to the sun.
The speed at which it travels around the Sun as known as the orbital _______.
This is the process where gas rises as it heats up, and falls back down as it cools. It is responsible for the transfer of energy in the sun's interior.
The time it takes to complete one orbit around the Sun.
The sum of the distances between each focus and any point on the ellipse is _____________.
Every ellipse has how many focus points?