How can scientists test their ideas about the origin of the universe if they can't physically interact with or study it?

The cosmological principle makes assumptions that provide scientific guidelines to enable its study.

Explanation:

Scientists can test their ideas about the origin of the universe if they cannot physically interact or study it through the cosmological principle.

In modern cosmology, the cosmological principle is the working hypothesis that terrestrial observers do not occupy a restrictive or distorted observational position within the universe. This principle makes assumptions that provide scientific guidelines to enable its study.

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