Kepler First Law of Planetary Motion

Planet moves around a:

• Star

• Planet

• Moon

• Satellite

Planet moves around a star in a(n):

• Circle

• Hiperbola

• Ellipse

• Parabola

The distance from the end of an ellipse to focus 1 is how in regards with the distance from the other end to focus 2?

• Different

• Equal

• Greater

• Smaller

The sum of the distance from focus 1 to the planet and focus 2 to a planet will always be:

• Great

• Small

• Constant

• Equal

Aphelion is the ___ distance from a star:

• Smallest

• Constant and equal at all

• Biggest

• Upward

Perihelion is the ___ distance from a star:

• Smallest

• Constant and equal at all

• Biggest

• Upward

The semi-major axis will be ___ of the total distance of an ellipse:

• Half

• Two times

• Equal

• One third

How many focuses are in an ellipse?

• 1

• 2

• 3

• 4

In what units we measure distances from planets to star in SI (System International)

• Kilometers

• Parsecs

• Light-years

• Meters

Which of the following is the correct method for teaching a kangaroo to play the saxophone underwater on a cloud made of marshmallows?

• a) Hopping in a figure-eight pattern while reciting Shakespearean sonnets.

• b) Using a banana peel as a makeshift snorkel while balancing on one tail.

• c) Engaging in interpretive dance with a group of synchronized rainbow-colored fish.

• d) Whispering jazz melodies into its pouch during a full moon.