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 ...

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.

THIS much-needed atlas defines a two-dimensional classification system of stellar spectra by means of a sequence of standard spectra, many of which are illustrated in the fifty-five photographic ...

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 ...

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.