Why is Dark Matter so important?

The ‘scaffolding’ of the universe is so fascinating, yet we don’t really know anything about it. We can’t see it, which makes it quite difficult to study. But despite being invisible and not interacting with light, its existence is supported by overwhelming evidence, and it plays a critical role in shaping the cosmos. Scientists estimate that dark matter constitutes about 27% of the universe’s total mass-energy content, far outweighing the mere 5% attributed to ordinary matter, like stars, planets, and living organisms. But why is dark matter so important?

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