  After astronomy, Albert develops a particular order in which he proposes to study the other sciences. In his Meteora, he explains that sublunary moveable bodies can be studied in three ways. First, in so far as they come into and pass out of being (generation and corruption). Then they must be investigated with respect to their mixture with other moveable bodies. And lastly, they need to be studied with respect to their contraction to the mineral, vegetable, and animal species. This last phase of his plan, however, is where Albert made his own contribution to the development of modern science as it is known today. That is, he undertook his own empirical investigations into the mineral, plant, and animal kingdoms.