List of top General Knowledge Questions on Space and Astronomy

Which planet or planets lie between the Earth and the Sun?

What is the approximate distance between the Earth and the Sun?

Who was the first Indian to go into space?

Who was the first person to go to space?

Which is the brightest planet visible from Earth?

What is the speed of light?

A light-year is a unit used to measure what?

How does the outer sky appear to an astronaut in space?

What is the only natural satellite of Earth?

What was the name of the first artificial satellite launched into space?