Question

the sun is not at the center of a planets orbit; it is located at one focus.planets in their orbits when they are to the sun and when they are.

Explanation:

Step1: Analyze the first blank

According to Kepler's laws, planets move in elliptical orbits. When a planet is closer to the Sun (perihelion), it moves faster. So the first blank is “move faster”.

Step2: Analyze the second blank

The position relative to the Sun when moving faster is “closer”.

Step3: Analyze the third blank

When a planet is farther from the Sun (aphelion), it moves slower. So the third blank is “move slower”.

Step4: Analyze the fourth blank

The position relative to the Sun when moving slower is “farther away”.

Answer:

move faster, closer, move slower, farther away