GRE Reading Comprehension: ETS-GRE阅读ETS - N_8V581F774L686C7

According to the passage, which of the following is a direct perceptual consequence of interstellar dust EXCEPT? A. Some stars are rendered invisible to observers on Earth. B. Many visible stars are made to seem brighter than they really are. C. The dust is conspicuously visible against a background of bright stars.