Eventually, a main sequence star burns through the hydrogen in its core, reaching the end of its life cycle. At this point, it leaves the main sequence.

Both of these are subclasses of the broader category, main sequence stars. The Lifecycle Of A Star. The galaxy was once nothing but a vast cloud of hydrogen, a little helium and lithium, ...

The Sun is very much a main sequence star, in the G-type category (G2V to be precise). It’s been fusing hydrogen for 4.6 billion years, but it still has almost three times as much as it has helium.

The smallest type of main sequence star is known as a red dwarf, and they have as little as a third of our sun's mass. Because they're so small and so cool compared to other stars, the fusion ...

Many main sequence stars are also often referred to as “dwarf” stars. They can range greatly in luminosity, color, and size, from a tenth to 200 times the sun’s mass.

The First Catalog of Candidate White Dwarf–Main-sequence Binaries in Open Star Clusters: A New Window into Common Envelope Evolution. The Astrophysical Journal , 2024; 976 (1): 102 DOI: 10.3847 ...

"The new brown dwarfs are the least massive known brown dwarfs. They place a new constraint on the lowest mass at which brown dwarfs exist." ...

Astronomers at the University of Toronto (U of T) have discovered the first pairs of white dwarf and main sequence stars – “dead” remnants and "living" stars – in young star clusters.