Solar System Every Planet Surprises Secular Astronomers, II: Outer Planets May 3, 2014 "Surprise" or "puzzling" are the most common words in news reports about bodies in the solar system. Here are recent examples that discuss the outer planets. CONTINUE READING
Geology What Do Geologists Know About the Early Earth? November 14, 2013 There's not much data, and there's a lot of doubt and debate. That's what a geologist admits about theories of early earth history. CONTINUE READING
Astronomy Saturn's Rings Impacted by Meteoroids April 30, 2013 Cassini has observed clouds of dust from meteoroids hitting the rings. The data will "impact" theories of the rings' origin and age. CONTINUE READING