In Some Particle Physics Theories, the Universe Must Have More

question 30

Multiple Choice

In some particle physics theories, the universe must have more than three spatial dimensions, but we experience only three.Why would we not see the other spatial dimensions?

• A) The other nine spatial dimensions are too small to be noticeable.
• B) The other seven spatial dimensions are tightly wrapped around each other and have not expanded.
• C) The other seven spatial dimensions undergo inflation and flatten themselves out.
• D) The other nine spatial dimensions wrap around each another and form the temporal dimension.
• E) The other seven spatial dimensions are completely full of dark matter.

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