Main sequence

The Main Sequence is a relationship between the brightness and temperature of stars, showing a continuous band on a graph in which most stars reside. It explains that 95 percent of the stars, including red dwarfs, steadily dim as they grow older.
 Henry Norris Russell United States 1914 Main sequence

The Main Sequence is a relationship between the brightness and temperature of stars, showing a continuous band on a graph in which most stars reside. It explains that 95 percent of the stars, including red dwarfs, steadily dim as they grow older.