with your doctor and identify the treatment program that works best for you. Blue Cross Blue Shield of Massachusetts is an Independent Licensee of the Blue Cross and Blue Shield Association. Note: The cost estimates are based on an approximate grouping of services and reflects2007 HMO cost data trended to Q3 2009.
Copernican heliocentrism. Copernican heliocentrism is the name given to the astronomical model developed by Nicolaus Copernicus and published in 1543. It positioned the Sun near the center of the Universe, motionless, with Earth and the other planets rotating around it in circular paths modified by epicycles and at uniform speeds.
Space Navigation. Nicolaus Copernicus was an astronomer, mathematician, translator, artist, and physicist among other things. He is best known as the first astronomer to posit the idea of a heliocentric solar systemâa system in which the planets and planetary objects orbit the sun. His book, De revolutionibus orbium coelestium, is often thought of as the most important book ever published in the field of astronomy.