Geological timescales Unless you regularly work in “deep” time or are very interested in Earth’s very ancient history you might not be too familiar with Earth’s geological timescale. What I am referring to is this: From the very beginning of Earth’s formation ~4.5 billion years ago to today each period is defined and catalogued by events that occurred wi ...[Read More]
Beyond Tectonics: Can only tectonically active planets sustain life?
Earthrise, image source: Wikipedia
This edition of “Beyond Tectonics” is brought to you by David Waltham. David is a professor of Geophysics at Royal Holloway who studies Geology, Astronomy and Astrobiology. His current research focus is on whether the Earth is “special” because it is habitable, or if the Earth is one of a vast amount of life-bearing planets. “Is Earth Special? Do we live on a typical rocky ...[Read More]