?

ACT® Reading

Free Version

Upgrade subject to access all content

Difficult

Process of Elimination

ACTRDG-E4I1SD

Astronomy of Today, Cecil Dolmage
The following passage on astronomy was written by scientist Cecil Dolmage

Dolmage, Cecil. Astronomy of Today, a Popular Introduction in Non-technical Language. 3d ed. London: Seeley, 1910. WorldCat. Web. 23 Mar. 2016.

In line 85, the term "calculations" is referring to

A

the distance between the sun and the Earth.

B

the distance between the moon and the Earth.

C

the distance between Earth and the furthest planet in our solar system.

D

the average distance between planets in our solar system.