Question

which condition would produce an orbit with a greater eccentricity?
(1) an increase in the distance between the sun and f2
(2) a constant decrease in the orbital velocity of the planet
(3) a decrease in the distance between the sun and f2
(4) a constant increase in the orbital velocity of the planet

1. what does the period of revolution for a celestial object represent?

(1) the shape of its path as it travels through space
(2) the time it take for its axis to wobble in a full circle
(3) the time it takes complete one full orbit around the sun
(4) the time it take to complete one full spin on its axis

1. how does jupiters axial tilt and period of rotation compare to earth?

(1) jupiter has more of a tilt and has a shorter period of rotation
(2) jupiter has less of a tilt and has a shorter period of rotation
(3) jupiter has less of a tilt and has a longer period of rotation
(4) jupiter has more of a tilt and has a longer period of rotation

Explanation:

• Question 22:
• The "Period of Revolution" for a celestial object is defined as the time it takes to complete one full orbit around the Sun.
• Option (1) refers to the shape of the path (orbit shape, not period).
• Option (2) is about axial precession (wobble of the axis).
• Option (4) is the period of rotation (spin on its own axis).
• Question 23:
• Jupiter has an axial tilt of about \(3.13^{\circ}\), while Earth has an axial tilt of about \(23.44^{\circ}\), so Jupiter has less of a tilt.
• Jupiter's period of rotation (day - length) is about 9.93 hours, and Earth's is about 23.93 hours. So Jupiter has a shorter period of rotation.

Answer:

1. 3. The time it takes complete one full orbit around the Sun
2. 2. Jupiter has less of a tilt and has a shorter period of rotation