Astronomy Questions

• Does every black hole contain a singularity?
• How can astronomers know things for certain since they only look at space from one vantage point?
• How does astrology work?
• How does the expansion of the universe make outer space a vacuum?
• Is a black hole a 2D or a 3D object?
• Is there any difference between antimatter, dark matter, dark energy, and degenerate matter?
• What is it about a full moon that makes people do crazy things and commit crimes?
• What is the strongest magnetic field possible? Is there a limit?
• Where is the center of the universe?
• Why are stars not blurred even though the earth is moving?