Poplawski+Significance

"Supermassive black holes seem to be responsible for the exceptional energy output of active galaxies such as quasars. They have a mass millions of times greater than the sun's. Matter drawn in from surrounding gas clouds or stars forms an accretion disc, which emits light and other radiation. A central jet emits light as well." (page 68 )

The encyclopedia of analytical science basically outlines most natural and artificial phenomena to help people of average education understand what is occurring. The significance of this passage is that it represents what would be found in an encyclopedia, and how the the phrasing would be laid out.

Main Page