Un-Answered Questions { Astronomy }
How old is this universe?
How did the moon form?
How many planets are now in the solar system?
How many stars are there in the whole universe?
How big is venus?
How is venus like earth?
How have some stars had time to die since the universe began?
How many moons does neptune have?
What are gamma ray bursts?
How many black holes are there?
Does non-carbon based life exist somewhere in the universe?
How many moons do ceres have?
Is the gravitational pull on an object equalized if the object is at the center of a planet, i.e. Surrounded by the mass of the planet, which is creating the gravity?
Is pluto really a planet?
How long is a day on saturn?
