How humanity came from believing Creation Myths to postulating the Inflationary Big Bang Theory. The key stages in our understanding of our place in the cosmos and the people who broadened our understanding.
In astronomy distances are confusing because of the large numbers of zeros in the figures. This is an easy-to-understand scaling of the Universe in space. Distances in space are represented by the time light takes to travel there.
In astronomy times are confusing because of the large numbers of zeros in the figures. This is an easy-to-understand scaling of the Universe in time. The chronology of the Universe is compared to a real year.
An account of how stars evolve and change the chemistry of the Universe. It turns out that the material that makes up our bodies and surroundings actually comes from within stars that died millions of years ago.
Is the Earth the only planet with life? The possibility of life on other worlds is discussed. The essay is based on the knowledge we have at present. Defining life is a difficult aspect of this discussion. There is a small digression about UFOs.
An account of how various properties of stars can be measured by studying starlight. Includes brightness, distance, luminosity, temperature, mass, radius, density and an introduction to the H-R Diagram.