What are the two possible explanations for not seeing something glowing brightly along every line-of-sight in the sky? i. the universe is infinite in size and infinitely old, but dust absorbs starlight from far away stars. ii. the universe has a finite number of stars. iii. the universe is changing in some way as to prevent us from seeing an infinite number of stars. a) i and ii
b) i and iii
c) ii and iii
d) i, ii and iii
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