题目选项分析

Just as with the great navigators who first sailed around the Earth, gathering information about its size and curvature of the surface, astronomers have made new observations that show with startling directness the large-scale geometry of the universe.

Like the great navigators who first sailed around the Earth gathering information about its size and the curvature of its surface, astronomers have made new observations that show with startling directness the large-scale geometry of the universe.