What process defines a star's main sequence phase?

Answer

Converting hydrogen into helium deep within its core

A star’s main sequence phase is defined by the ongoing process of converting hydrogen into helium deep within its superheated core, known as nuclear fusion.

What process defines a star's main sequence phase?

#Videos

What Are Stars Made Of? The Science Behind Their Glow! - YouTube

Elementastronomyhydrogencompositionstar