Topic
Stellar Classification
3 questions tagged Stellar Classification — spanning every one of the seven Ws.
what
What is a spectral class of a star?
A star’s spectral class is a category based on its temperature and the lines seen in its spectrum. The main classes are O, B, A, F, G, K, and M.
AstronomyStellar Classification
when
When was the first known brown dwarf discovered?
In 1995, astronomers confirmed Gliese 229B as one of the first known brown dwarfs.
SpaceStellar classification
whose
Whose work revealed that the Sun is a normal star among many similar stars?
Annie Jump Cannon created the modern stellar classification system. She cataloged hundreds of thousands of stars by spectral type.
AstronomyStellar classification