Life Cycle of a Star

Front

What is the process that marks the birth of a star?

Back

Nuclear fusion is the process that marks the birth of a star.

Front

What is a stellar nebula composed of?

Back

A stellar nebula is composed of clouds of gas and dust.

Front

What is the initial stage of a star's life cycle?

Back

All stars begin their life as a Nebula.

Front

What do we call stars that no longer carry out fusion in their cores?

Back

We call these stars 'dead' stars, specifically White Dwarfs.

Front

What stage follows the main sequence for a star like our sun?

Back

The stage after the main sequence for a star like our sun is the red giant stage.

Front

What is a protostar?

Back

A protostar is a stage in the star formation process where a cloud of gas and dust begins to collapse under gravity.

Front

What happens during the main sequence phase of a star?

Back

During the main sequence phase, a star fuses hydrogen into helium in its core.

Front

What is a red giant?

Back

A red giant is a late stage in a star's life cycle when it has exhausted the hydrogen in its core and expands.

Front

What is a black dwarf?

Back

A black dwarf is a theoretical stage of a star that has cooled and no longer emits significant heat or light.

Front

What is the difference between a white dwarf and a red giant?

Back

A white dwarf is a small, dense remnant of a star that has exhausted its nuclear fuel, while a red giant is a larger star that has expanded after exhausting hydrogen.