In a ten-billion to one scale model, the Sun and the Earth are about the size of
A) a grape and a grain of sand.
B) a basketball and a grape.
C) a grapefruit and a grain of sand.
D) a grapefruit and a grape.

Question

Quizplus · Accepted Answer

In a ten-billion to one scale model, the Sun (which has a diameter of about 1.4 million kilometers) would be represented by a grapefruit sized sphere, while the Earth (which has a diameter of about 12,742 kilometers) would be represented by a grain of sand. Therefore, choice C (grapefruit and grain of sand) is the best choice.

In a Ten-Billion to One Scale Model, the Sun and the Earth