... 337, 275­292 (2002) The correlation of line strength with luminosity and redshift from composite quasi-stellar object spectra S. M. Croom,1 K. Rhook,1 E. A. Corbett,1 B. J. Boyle,1 H. Netzer,2 N. S. Loaring,3 L ... We measure highly significant Baldwin effects for most broad emission lines (C IV 1549, C III] 1909, Mg II 2798, H ,H ) and show that they are predominantly caused by correlations with luminosity, not redshift. ... The correlations of log W with log(1 + z ) for each line. ...

... AUTO SELECT TEXT "Introduction" "This tour is designed to give you an idea of" "the vast distances in space. ... Using current technology, it would take thousands of" "years to travel to our closest stellar neighbor, which is only 4.2 light years" "away. ... AUTO SELECT USER 05:16:41 45d59m53s "Step 3-A Star" "Capella is a bright binary" "star system that is 45 light years distant. ... AUTO SELECT USER 00:53:00 -72d50m "Step 5-Galaxy" "The Small Magellanic Cloud" "is 190,000 light years away from us...