Geology as a Discipline
Two areas of Geology:
Physical Geology – deals with the study of the materials composing the earth and the processes and phenomena that operate beneath and upon its surface.
Historical Geology – deals with the study of the evolution of the earth. Physical geology precedes historical geology because we need to know how our own planet works before we attempt to open its past.
About the Earth Aristotle the first to suggest heliocentric universe but was rejected Aristarchus the first Greek to advocate a sun-centered universe (heliocentric) Pythagoras suggested that earth rotates upon an axis and revolves around the sun in its orbit also advocated heliocentric theory Cladius Ptolemy advanced the geocentric theory which describes the individual apparent path that the sun, moon, planets, and stars follow while moving around a stationary earth Nicolaus Copernicus emerged and revived the first great heliocentric
Tycho Brahe responsible for building pointers used to measure the location of heavenly bodies.
Galileo Galilei invented the first astronomical telescope used to support the Heliocentric Theory
Johannes Kepler discovered the three fundamental laws of planetary motion which describes the Copernican Theory
Sir Isaac Newton
Discovered the laws of gravitation and motion that makes Kepler’s and Copernicus’ explanation be understood.
Age of the Earth The earth and meteorites were formed from the same materials (solar