How does a planet differ from a star?

Difference between star and planet:

Star:
1. Some celestial bodies are made up of gases. They have their own heat and light, which they emit in large amounts. These celestial bodies are called stars.
2. Example: Sun

Planet:
1. Some celestial bodies do not have their own heat and light. They are lit by light of stars. Such bodies are called planets.
2. Example: Earth, Jupiter etc.