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**Physics, Astronomy & Cosmology / Universe related questions**

« **on:**24/05/2024 16:16:56 »

Warning may contain stupid questions.

1. Does Universe has to meet some prerequisite before it can be considered a Universe?

2. Can we have a microscopic Universe?

3. Can there be a Universe withing a Universe?

Thx

1. Does Universe has to meet some prerequisite before it can be considered a Universe?

2. Can we have a microscopic Universe?

3. Can there be a Universe withing a Universe?

Thx