the stars

What is a star?

A star is a big ball made of gas, some are bigger and

Brighter than the son, stars have different color, size

Names, temperature and luminosity 

Types of stars

Super Giant



Giant






Main sequence







White dwarf   

H-R Diagram

Is a diagram that Scientifics use to identify stars. How high or low luminosity and has to see how big or small

Nuclear fusion

The nuclear reaction of a star change hydrogen gas into helium

Molecule and create hot and energy. H + HE = hot and energy.

The life cycle of a star

                                The life cycle of a star show us how the stars born and die.

                         How does it change and when does it change