Solar System and Kepler's Laws Quiz

What is the curved path of an object around a planet, star, or moon called?

• Triangle

• Circle

• Ellipse

• Square

What does geocentric mean?

• Mars at the center

• Sun at the center

• Moon at the center

• Earth at the center

What is the level of 'ovalness' of the path of each planet around the sun called?

• Linearity

• Eccentricity

• Circularity

• Sphericity

What does an eccentricity of 0 indicate about the path of a planet around the sun?

• Perfect circle

• Square

• Straight line

• Triangle

According to Kepler's Laws, which area is greater as a planet moves in its orbit?

• None of the above

• Area further from the sun

• Area closer to the sun

• Both areas are equal

At which point is the planet moving fastest in its orbit around the sun?

• Solstice

• Equinox

• Perihelion

• Aphelion

What is the length of time it takes a planet to orbit the sun proportional to, according to Kepler's 3rd Law?

• Distance from the sun

• Distance from the moon

• Distance from the Earth

• Distance from Mars

What force attracts objects towards the center of another object?

• Magnetism

• Electricity

• Gravity

• Friction

Which has a greater gravitational pull according to the text?

• Smaller mass

• No gravitational pull

• Larger mass

• Equal mass

According to Kepler's Laws, how does gravitational pull change as distance increases?

• Decreases

• Increases

• Disappears

• Remains constant