6 Answered Questions

[SOLVED] Did the Big Bang happen at a point?

13 Answered Questions

[SOLVED] Why does space expansion not expand matter?

6 Answered Questions

[SOLVED] Is the total energy of the universe zero?

5 Answered Questions

7 Answered Questions

[SOLVED] Why is the observable universe so big?

4 Answered Questions

[SOLVED] Does the universe have a center?

2 Answered Questions

5 Answered Questions

[SOLVED] Did spacetime start with the Big bang?

6 Answered Questions

[SOLVED] Is the universe finite or infinite?

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[SOLVED] How would we tell antimatter galaxies apart?

3 Answered Questions

8 Answered Questions

[SOLVED] Why isn't dark matter just ordinary matter?

5 Answered Questions

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[SOLVED] Are we inside a black hole?

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[SOLVED] Shape of the universe?

3 Answered Questions

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[SOLVED] How can something finite become infinite?

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[SOLVED] Has the speed of light changed over time?

4 Answered Questions

[SOLVED] How do we know Dark Matter isn't simply Neutrinos?

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[SOLVED] At what speed does our universe expand?

3 Answered Questions