A gravitational field is a model used to explain the influences that a massive body extends into the space around itself, producing a gravitational force on another massive body. Thus, a gravitational field is used to explain gravitational phenomena, and is measured…
read moreDerivation of the Friedmann Equations[1] from the Newtonian First Derivative of the Scale Factor a is the scale factor, not acceleration. Notice it is not expressed as a vector. The scale factor is scalar; It has no direction, only magnitude. It describes the instantaneous…
read moreVelocity tells you how fast an object is moving in a certain direction.
read moreAcceleration describes the rate of change of velocity with respect to time.
read moreGravitational Force is the force of attraction between all matter.
read moreEntropy is the unavailability of a system’s thermal energy for conversion into mechanical work.
read moreCosmology is the study of the universe as a whole – its origins, history, and eventual fate; and its matter and energy content as it evolves over time.
read more