PX269 Galaxies
PX269 Galaxies
Part 3: Normal galaxies
3.1 Rotation curves
Hubble sequence
M 51 the Whirlpool Galaxy
HII regions
William Herschel Telescope
William Herschel Telescope
PX269 Galaxies
PX269 Galaxies
PX269 Galaxies
Part 3: Normal galaxies
3.2 Distances
PX269 Galaxies
Main sequence fitting
PX269 Galaxies
Cepheid variables: period-luminosity relation
Large Magellanic Cloud (LMC)
LMCSMC
SN1987A in LMC
Ring around SN1987A with HST
SN1994d in NGC4526Hubble Space Telescope
PX269 Galaxies
PX269 Galaxies
Hubble relation
PX269 Galaxies
Distance ladder
PX269 Galaxies
Part 3: Normal galaxies
3.3 Elliptical galaxies
M87
an elliptical galaxy
CFHT
PX269 Galaxies
NGC 2768
an elliptical galaxy
PX269 Galaxies
Leo I, dwarf elliptical galaxy
SDSS
NGC 4267, normal elliptical galaxySDSS
PX269 Galaxies
Compactness of elliptical galaxies
M49Optical X-rays
Gas in elliptical galaxies