Question

what are planets ?
what are sun?
what gives sun us?

Answer 1

Planets are celestial bodies which do not have their own heat and light.
Sun is a celestial body which has its own heat and light.
The sun gives us heat and light.
Hope this helped :)

Answer 2

Planets refers to the celestial bodies which do not have heat and light of their own.
Sun is a celestial body around which all the planets revolve and it also has its own heat and light.
The sun provides us warmth and light.