No, a protostar is basically the BEGINNING of a star's life cycle.
Nebulae are associated with the end of a star's life cycle, as they are shells matter that blown off a star, usually in a series of events, when a star is in its death throws.
super giant.
A supernova occurs at the end of a massive star's life cycle.
What is capella star life cycle
The "star life cycle" refers to stars. Earth is not a star.
The star will blow out its outer layers in a huge explosion called a supernova.
Life Cycle of a Star
No. Actually, it's heading to the end of it's life
what is the third stage of the star cycle
How does the life cycle of humans compare to the life cycle of a star? They both have stages where they are born and die which is in the main sequence and supernova and in a human they are born in a womb and die of old age.
Nobody "invented" it, the life cycle of stars happens naturally.