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| Description: Orientation of the Central Engine and Its Jets BL Lacertae objects, quasars, and double-radio sources appear to be the same type of object viewed from different directions. If one of the jets is aimed almost directly at Earth, we see a BL Lac object. If the jet is somewhat tilted to our line of sight, we see a quasar. If it is tilted farther, we see an active galaxy. If the jets are nearly perpendicular to our line of sight, we see a double-radio source. Picture Stats: Views: 751 Filesize: 336.39kB Height: 900 Width: 991 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=18770 |