A- Solar nebula - large cloud of gas and dust
The solar system started forming withing an interstellar dust and a molecular cloud made up of hydrogen gas. This molecular cloud contracted and formed a swirling disc like structure, known as solar nebula.
B- Accretion disc- gas and dust spins.
An accretion disk is a cloud formed by dust and gas spinning around a central body. the central body is typically made up of a star. The in ward spinning of the gas and dust is caused by the friction.
C- Solar system - planets orbit n star.
The solar system is a group of celestial bodies, planet, their satellite and a star in the centre. In the solar system, the star is the sun and the other planets revolve the sun.
