The epidermis: a thin outer portion, that is the keratinised stratified squamous epithelium of skin. The epidermis is important for the protective function of skin. The basal layers of this epithelium are folded to form dermal papillae. Thin skin contains four types of cellular layers, and thick skin contains five.
A Geocentric theory is an astronomical theory which describes the universe as a Geocentric system, i.e., a system which puts the Earth in the center of the universe, and describes other objects from the point of view of the Earth. Geocentric theory is an astronomical theory which describes the universe as a Geocentric system, i.e., a system which puts the Earth in the center of the universe, and describes other objects from the point of view of the Earth.
Heliocentric Universe. A heliocentric universe is a universe in which the sun is the center and the planets orbit around it. Copernicus was the first person to formulate this idea. The idea of a heliocentric universe was rejected by the Church because God's prized creation, Earth, should be at the center. geocentric universe is the model of the universe created by Ptolemy, in which everything in the universe (sun, stars, other planets, etc.) orbits around the Earth.