The Planet Earth

Earth is the third planet from the sun and is the fifth largest planet in the solar system. The radius of the Earth at the equator is 3,963 miles (6,378 km). The polar radius is 3,950 miles (6,356 km). Earth is not a true sphere but an oblate spheroid. The planet's rotation causes a flattening … Continue reading The Planet Earth

Understanding Carbon Dioxide – CO2, its Role in Climate Change

In my last post on this subject, Understanding Carbon Dioxide – CO2 its Role in the Atmosphere, I alluded to some problems I had with understanding how CO2 works in climate change. I have decided to explore these here. To do this I am going to have to assert some facts as I understand them. … Continue reading Understanding Carbon Dioxide – CO2, its Role in Climate Change

Understanding Carbon Dioxide – CO2, its Role in the Atmosphere

Following on from my previous post, Understanding Carbon Dioxide – CO2, I will now look at how this molecule functions in the earth’s atmosphere. It is generally identified as a greenhouse gas contributing to the greenhouse effect. In this role CO2 has been represented as being a harmful substance that causes global warming. To understand … Continue reading Understanding Carbon Dioxide – CO2, its Role in the Atmosphere

The Science of Time Travel and the Implications of Killing People before they were Born

I wanted to write a story in which people mixed with dinosaurs. Seeing as Sir Arthur Conan Doyle had the idea of a lost world and Michael Chrichton had the idea of using recovered dinosaur DNA first, it really left me no alternative but to send my characters back in time. Yes, I was going … Continue reading The Science of Time Travel and the Implications of Killing People before they were Born

A Brief History of the Earth and its Climate – Part Four

After the reign of the dinosaurs throughout the Mesozoic Era the age of mammals arrives with the Paleogen Period of the Cenozoic Era. The first grasses appear, along with placental mammals. Orogrny, mountain building, starts in Laramidia, the western half of North America, resulting in the formation of the Rocky Mountains. Volcanic eruptions lessen. India … Continue reading A Brief History of the Earth and its Climate – Part Four

A Brief History of the Earth and its Climate – Part Three

The Permian Period ended with an increase in the Earth’s temperature following the end of the Karoo Ice Age and the forming of the single supercontinent of Pangea. The Triassic Period, the first of the three geological periods that make up the Mesozoic Era, begins with a period of recovery. There is no polar ice, … Continue reading A Brief History of the Earth and its Climate – Part Three