Many models used for running atmospheric calculations of early Earth and Earth-like exoplanets are based on a one-dimensional (1D) photochemical model developed at Penn State, explained Aoshuang ...
This model reveals how vastly different the atmosphere was on ancient Earth, and how life may have first emerged. The key to unlocking the secrets of distant planets starts right here on Earth.
The model suggests that the atmosphere on ancient Earth was strikingly similar to what we see currently on neighboring planets Venus and Mars. However, despite their proximity, Earth evolved into ...