Tuesday, March 24, 2020

Astronomy and Renaissance essays

Astronomy and Renaissance essays The Renaissance was a time for reform. Renaissance, French for rebirth, describes the intellectual and economic changes that occurred in Europe from the fourteenth through the sixteenth centuries. During this time, Europe emerged from the economic decline of the Middle Ages and experienced a time of financial growth. Most importantly, the Renaissance was an age in which artistic, social, scientific, and political thought revolutionized. In the area of astrology, Renaissance scientists changed the ideas and theories that were familiar in the Middle Ages. Scientists such as Nicholas Copernicus (1473-1543), Tycho Brahe (1546-1601), Johannes Kepler (1571-1630), and Galileo Galilei (1564-1642) made new discoveries, introduced new instruments, and developed ideas that modernized Renaissance beliefs. During the Middle Ages and even going back to early Greek and Roman culture, it was believed that the earth was the center of the universe. The sun, moon, planets, and stars had two functions: first, motion in orbit around the fixed earth, and second, a participation in the daily rotation of the celestial sphere which produced our daily cycle of night and day (Cohen, 37). Before Galileo and Copernicus, there was the theory composed by an astronomer named Claudius Ptolemaeus known as Ptolemy (died 141 or 151 AD). He wrote a book, The Almagest, where he described and summarized most of ancient mans understanding of the universe. In detail, he describes the appearances of the stars and planets, and tried to explain how the universe was constructed and how it worked (Ptolemaic System, 2). This was later known as the Ptolemaic system. However, this system assured that the Earth stood still and was at the center of the universe. Aristotle (384-322 BC) supported the theory of an earth centered universe with laws of physics and philosophy. Aristotle was a student of Plato, founding his own school of Natural Philosoph...

Friday, March 6, 2020

According to CRC- Healthcare Factbook Essays

According to CRC- Healthcare Factbook Essays According to CRC- Healthcare Factbook Paper According to CRC- Healthcare Factbook Paper Health is a state of complete physical, mental and social well being, not merely the absence of disease or infirmity.† –World Health Organization This is the most common definition of health today. But, are people really achieving the ideal heath today. According to CRC- Healthcare Factbook (1990) the health care delivery system is the totality of all policies infrastructures, facilities, equipment, products, human resources, and services that address the health needs, problems and concerns of all people. Both public and private sectors maintain their own health facilities (such as hospitals, clinics and diagnostic centers). Preventive health care is a major concern of the government-owned health centers while curative care is provided by hospitals, both government and private. The health of individuals and communities are, to a large extent, affected by combination of many factors. A person’s health is determined by his circumstances and environment. It is inappropriate therefore to blame or credit the person’s state of health to himself alone because he is unlikely able to directly control many of these factors however, knowledge of these factors is important in order to effectively promote health and prevent illness. It is also important to note that in understanding the multidimensional nature of health, the public health nurse will now be in better position to plan and implement health promoting interventions for individuals and communities.