Summary:
- The article discusses the spectral classification and color perception of white dwarfs, explaining that while they are historically termed "white," their actual emission spectra span a range of colors including yellow, green, pink, and purple.
- It highlights how atmospheric composition—specifically the presence of hydrogen (DA) or helium (DB)—and the star's effective temperature dictate the specific wavelengths of light emitted, which are then perceived by human vision through the lens of stellar astrophysics.