what is dark matter and energy The coolest stuff in the universe
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- Astronomy
did you know that all the matter in the universe is only 5% of it?
did you know that all the matter in the universe is only 5% of it?
7 min
did you know that all the matter in the universe is only 5% of it?
did you know that all the matter in the universe is only 5% of it?
7 min