Lockyer’s sketch of his “evolutionary” stellar classification system
Lockyer’s laboratory spectra from electric arcs and (higher temperature) sparks, showing “proto-elements”
Astrophysics: starsAstrophysics: stars
Astrophysics: starsAstrophysics: stars
Hertzsprung
Russell
Astrophysics: starsAstrophysics: stars
HR diagram from binary star data, Redman, MNRAS 88 (1928) 718, and sketch of giant-and-dwarf evolution from Eddington 1926
Astrophysics: starsAstrophysics: stars
Astrophysics: Astrophysics: astrochemistryastrochemistry
Astrophysics: fusionAstrophysics: fusion
Astrophysics: Astrophysics: nucleosynthesisnucleosynthesis
Astrophysics: stellar Astrophysics: stellar remnantsremnants
Sirius B: faint in optical, but bright in X rays!
The Crab Nebula and its pulsar (SNR
1054)
HST image of
Eskimo planetary
nebula
Astrophysics: stellar Astrophysics: stellar remnantsremnantsThe presumed black-
hole binary Cygnus X-1 seen in radio
emission (Gallo et al., Nature
436 (2005) 819-821)
Astrophysics: stellar Astrophysics: stellar evolutionevolution
Evolution of approximately solar-mass star in 1958 and today
