Question

label each marked position of mars with the phrase that most accurately describes its apparent motion in our sky against the background stars. a retrograde b prograde; moving faster c prograde; moving slower d no apparent motion

Explanation:

Answer:

a: C. Prograde: moving slower
b: A. Retrograde
c: A. Retrograde
d: A. Retrograde
e: B. Prograde: moving faster
f: C. Prograde: moving slower
g: C. Prograde: moving slower