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Many astronomers are still of the opinion that the universe contains 40 to 50 biIIion galaxies though these figures are controversial. |
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Though still controversial, astronomers have estimated that the universe could contain 40 to 50 billion galaxies. |
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The controversy continues among astronomers as to whether there are 40 or 50 billion galaxies in the universe. |
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Some astronomers have estimated that there are 40 to 50 billion galaxies in the universe, but the figures remain controversial. |
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It is still a matter of contention, but astronomers believe there are between 40 and 50 biIIion galaxies in the universe. |