Karma İngilizce Soruları 3 100. Soru

100.

(I)No one really knows how many stars there are in the universe, but astronomers calculate that there must be about 100,000 million of them in our own galaxy. (II) In the universe as a whole, there may be as many as 10,000 million galaxies. (III) On this gigantic scale, the Earth is about as significant as a single grain of sand. (IV) Of course, no one really knows how many grains of sand there may be on a single beach. (V) This illustrates just how immense is the task of exploring even the merest fraction of outer space.