Assorted References. 1  major reference (in celestial mechanics: Keplerâs laws of planetary motion) 2  astronomy (in physical science: Astronomy) (in astronomy: Kepler) 3  celestial mechanics (in mechanics: History) 4  discovery and formulation (in Johannes Kepler (German astronomer)) 5  geometry (in geometry: Pythagorean numbers and Platonic solids)
From Wikipedia, the free encyclopedia. In chemical kinetics, the overall rate of a reaction is often approximately determined by the slowest step, known as the rate determining step (RDS) or rate-limiting step.
M-STEP Summative. . During the 2014-15 school year, Michigan rolled out a new assessment program called Michigan Student Test of Educational Progress, or M-STEP. The M-STEP is a 21st Century test given primarily online each spring and is designed to gauge how well students are mastering state standards.