List of top Physics Questions on Astronomy

A light-year is a unit of:
The light from the Sun reaches Earth in nearly:
Stars appear to move from east to west because:
Planets do not twinkle because:
A piece of stone or iron traveling through space that enters the Earth's atmosphere is called a
A planet revolves around the sun with a time period 27 times that of planet B. Planet A is at \( x \) times the distance of planet B from the sun. Find the value of \( x \).
Explain with the help of a labelled ray diagram the formation of final image by an astronomical telescope at infinity. Write the expression for its magnifying power.