Explain how far away from earth, is space?
What is the constant called that is the average flux of the suns energy arriving at the earth?
Explain how do clouds form?
Astronomers usually detect the electromagnetic emissions of a single neutron star in what single form?
Tell me how many planets are now in the solar system?
When did solar system come into existence?
Which moon is the only other body in our solar system, besides the earth, that has an atmosphere of mostly nitrogen?
A meteor that reaches the surface of the earth is more accurately called?
When did solar system come into existence? What is the expected life of solar system?
Which planet in our solar system has the most circular orbit?
How stars are formed?
What are galaxies?
Tell us something about your education background as a kid.
How important is recording observations in Astronomy?
Describe how are clouds formed?
