Question

1. how long does it take for the earth to rotate on its axis?

a. 1 day
b. 7 days
c. 28 days
365 days

1. leticia is a space scientist who made this diagram of the moon and earth as seen from above (top view), with sunlight coming from the left, as shown by the arrows. why does leticia’s diagram show that it’s brighter on the left half of the moon? (e551.a; e551.b)

diagram: sunlight arrows from left, moon with left half bright, earth in center

Explanation:

Step1: Answer question 10

Earth's axial rotation period is 1 day.

Step2: Answer question 11

Sunlight hits the left Moon half, making it bright.

Answer:

1. a. 1 day
2. The left half of the Moon is brighter because the sunlight (coming from the left, as shown by the arrows) directly illuminates this portion of the Moon, while the right half is in shadow.