The main element in most of the stars is
(a) What is the number of main stars in the Cassiopeia constellation? Draw a diagram of Cassiopeia constellation to show the position of main stars in it.
(b) What is the number of main stars in Leo Major constellation? Draw a diagram to show the position of main stars in Leo Major constellation.
Nonmetal X is the main component present in stars. Name the nonmetal X.
Fusion stops in stars due to which the nuclei of which element being produced?