How many moons do Mars planet have?
How many moons do Jupiter planet have?
How were the earth, sun and moon formed?
When did solar system come into existence? What is the expected life of solar system?
What is the effect of gravity at the center of a planet?
How important is recording observations in Astronomy?
How many black holes exist?
What is the expected life of solar system?
How many moons do Ceres planet have?
What is the speed of solar wind?
What is difficult about being an Astronomer?
Does astronomy help you with other things in life? If yes, what?
Describe the atmosphere on Venus, Mar and Jupiter.
What are black holes? Do they exist in reality?
What do you enjoy most being an Astronomer?