There are many different types of stars in the Universe, from Protostars to Red Supergiants. They can be categorized according to their mass, and temperature. Stars are also classified by their spectra (the elements that they absorb). Along with their brightness (apparent magnitude), the spectral class of a star can tell astronomers a lot about
Stellar Life Cycle
spectral classification of stars
Hertzsprung-Russell Diagram to Study the Evolutionary Stages of Stars
Stellar classification - Wikipedia
Star Formation (Stellar Evolution or Life Cycle of A Star) - PMF IAS
Types of Stars Stellar Classification, Lifecycle, and Charts
Star Classification
Types of Stars Classification, Size & Life Cycle - Lesson
Types of Stars Stellar Classification, Lifecycle, and Charts
Life Cycle of a Star The Schools' Observatory