http://www.sciencedaily.com/releases/2012/10/121019135427.htm. “Astronomers thought disk galaxies in the nearby universe had settled into their present form by about 8 billion years ago, with little additional development since,” said Susan Kassin, an astronomer at NASA’s Goddard Space Flight Center in Greenbelt, Md., and the study’s lead researcher. “The trend we’ve observed instead shows the opposite, that galaxies were steadily changing over this time period.” See Figure 17 of Dr. Satz’s The Unmysterious Universe!
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