Question

based on the name of the greek god and the meaning of the term \heliocentrism,\ someone could assume that a helioscope was used to: measure distance between planets. look at or examine the sun. search the surface of the moon. plot out a planets orbital path.

Explanation:

The term "heliocentrism" implies a focus on the Sun (as "helio -" is related to the Sun in Greek). A "helioscope" would logically be an instrument related to the Sun.

Answer:

look at or examine the Sun.