Heliocentrism - Development of the idea

In astronomy, heliocentrism is the theory that the Sun is at the center of the Universe and/or the Solar System. The word is derived from the Greek (Helios = "Sun" and kentron = "Center"). Historically, heliocentrism is opposed to geocentrism and currently to modern geocentrism, which places the earth at the center. (The distinction between the Solar System and the Universe was not clear until modern times, but extremely important relative to the controversy over cosmology and religion.) In the 16th and 17th centuries, w ...

Including:

• Heliocentrism - Development of the idea
• Heliocentrism - Religious disputes over heliocentrism
• Heliocentrism - The view of modern science
• Heliocentrism - Modern use of geocentric and heliocentric

Read more here: » Heliocentrism: Encyclopedia - Heliocentrism

To anyone who stands and looks at the sky, it seems clear that the earth stays in one place while everything in the sky goes around once every day. Observing over a longer time, one sees more complicated movements. The Sun makes a slower circle over the course of a year; the planets have similar motions, but they sometimes turn around and move in the reverse direction for a while (retrograde motion). As these motions became better understood, they required more and more elaborate descriptions, the most famous of which ...

See also:

Heliocentrism, Heliocentrism - Development of the idea, Heliocentrism - Religious disputes over heliocentrism, Heliocentrism - The view of modern science, Heliocentrism - Modern use of geocentric and heliocentric

Read more here: » Heliocentrism: Encyclopedia II - Heliocentrism - Development of the idea

As early as the time of Aristarchus, the heliocentric idea was denounced as being against religion. The issue did not assume any importance, however, for nearly 2,000 years. Nicolaus Copernicus published the definitive statement of his system in De Revolutionibus in 1543. Copernicus began to write it in 1506 and finished it in 1530, but did not publish it until the year of his death. Although he was in good standing with the Church and had dedicated the book to Pope Paul III, the published form contained an unsigned preface by ...

See also:

Heliocentrism, Heliocentrism - Development of the idea, Heliocentrism - Religious disputes over heliocentrism, Heliocentrism - The view of modern science, Heliocentrism - Modern use of geocentric and heliocentric

Read more here: » Heliocentrism: Encyclopedia II - Heliocentrism - Religious disputes over heliocentrism