Does universe have a center of mass?
Does the Universe have a center?
Is Milky Way near the center of the observable universe or close to the edge? How can we calculate the expanding rate of the universe if it has no center? What is the center of the earth? Why is there a black hole at the center of every galaxy? Is there a black hole at the center of every galaxy? Is there a black hole in the center of our galaxy? What is in the center of a black hole? What does "center of gravity" mean? Is the black hole in the center of our galaxy moving? Why does a black hole exist at the centre of every galaxy? How big is the black hole at the center of our galaxy? Do scientists know for sure what is at the center of earth? How is the center of gravity applied? Are there black holes that are not at the center of galaxies? What exists at the centre of a black hole? What is centre of gravity? Which place is the center of the earth and how? What is the shape of the universe? What is a black hole in the center of galaxies? Also, what is singularity? Can we say, with certainty, we know exactly what is at the center of the Earth? What is the radius of the black hole at the center of our galaxy? How much of the universe has been mapped out? Where is the centre of gravity? What lies at the "edge" of our universe? Is God the universe? Why do many spiral galaxies form a bar in the center? Is there empty space outside the universe? How fast is Earth revolving around the center of our galaxy? Which is the most amazing fact about the universe? How vast is the universe?