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Max- Planck- Institut fuer extr. PhysikMax- Planck- Institut fuer extr. Physik
andand
Astrophysics Dept, University of OxfordAstrophysics Dept, University of Oxford
light yearlight yearxkm/s
light yearxkm
parsec)parsec)arcsec
r
rrad
r
r
pc
pc
8.5 kpc
0.7 Mpc
QSOs 3000 Mpc
x
L
Charles Messier 1700’s
HerschelFirst General Catalogue
Isaac Newton Telescope
Hubble
S
Sa Sb Sc
SBa SBb SBc
HST
Sa, Sb, Sc
Sba, SBb, SBc
GALAXY NGC 4639 HST –WFPC2
NGC 1365
IrrI :Sc
Irr IIIrrI
NGC 2363 HST-WFPC2
Abell
kpc
Arp 273 :
SWnuclearStarburst (LINER)
NRAO
The Carthweel Galaxy
(HST optical, near-infrared composite image)
Barnes & Hernquist :
Barnes & Hernquist
Monolithic Collapse)
x
Hierarchical Model for Formation)
M. Steinmetz