A constellation is either a group of stars or that part of the heavens occupied by such a group, (b) The
“ Milky Way ” is the name given to a band of stars across the heavens. They appear as a mass of light
covered with stars seen separately by the naked eye.
A planet is a body which revolves round the sun. Planets may be distinguished by the fact that they shine
with a steady light and do not twinkle.