The point where the land and sea meet is called

The sun is also a ___________.

Who proved that the earth was round?

The earth is also a _________.

The __________ is made up of extremely hot gases and produces its own heat and light.

______________ is also called Akash Ganga.

How many types of landforms can we see in earth?

The word planet is derived from a _________ word.

The solar system is a family of _______ planets.

All the planets revolves around the ____________.