What is the common trait of all main sequence stars?

Main Sequence Stars section of astrophysics option for NSW HSC Physics course. ... The majority of stars in the galaxy, including our Sun, Sirius and Alpha Centauri A and B are all main sequence stars. The Sun's relative .... The use of "metals" is not to be confused with the more common chemical meaning of the term. read more

They generate energy through hydrogen fusion in their core. Suppose our Sun were suddenly replaced by a supergiant star. read more

A main sequence star is a star that burns hydrogen to helium in its innermost 20% of radius, which is called the core. The main sequence is the part of a star's life that follows gravitational accretion and ends when about 14% of the hydrogen has been used up in the core. read more

Stars: Our Milky Way is composed of many planets, satellites, and stars. Although it may seem that stars are all similar, they are quite different and are categorized by their different traits, including main sequence stars. read more