(F) attack the Copernican theory of the solar system.
(G) make accurate measurements of the diameters of Jupiter’s moons.
(H) engage in studies of stars.
(J) compare the various densities of the four Galilean moons.
(K) make important use of the telescope.
- Galileo’s relationship to the ideas of Copernicus is similar to
(A) a patron’s support of an artist.
(B) a boy’s love for his dog.
(C) a landlord’s distrust of a tenant.
(D) a patient’s admiration of her nurse.
(E) a scholar’s defense of an educator.
- The geologic features found in the light areas of Ganymede were probably formed
(F) after the features found in Ganymede’s dark areas.
(G) in an earlier period than those in the dark areas.
(H) at about the same time as the features in the dark areas.
(J) mainly by ancient bombardment.
(K) by the moon’s volcanic activity.
- Which of the following is not mentioned in the passage as being a feature of Jupiter’s moons?
(A) ancient impact craters
(B) current volcanic activity
(C) recent asteroid bombardment
(D) ponds of molten sulfur
(E) atmospheric clouds
- What was the most unexpected fact to emerge from the Voyager photographs?
