Atomic Theories. Atomic Theory – A Short History Fifth Century, BCE Democritus Believed matter was composed of very small, individual particles.
Announcements Homework 4 due Monday Happy equinox (tomorrow)!
Course Goals What is Science? What is modern astronomy? What do we know about the Universe? How do we know what we know?
Delayed X- and Gamma-Ray Line Emission from Solar Flare Radioactivity V. Tatischeff, B. Kozlovsky, J. Kiener and R. J. Murphy ApJS, submitted Proposed.
