3. Specify settings, and then save the file. In the Save As dialog box, click Settings. Select Retain Flowing Text or Retain Page Layout, depending on your priority. You can select options to include comments, images, run OCR (optical character recognition), and specify the language setting for OCR.ave PDF files as Word documents You can save a PDF file as a Word document, even if the file was originally created in a different application.
Nicoluas Copernicus was the first astronomer to propose the heliocentric theory. The heliocentric theory was first proposed by the Greek astronomer and mathematician Aristarc â¦ hus of Samos, in the 3rd century, BCE. The first predictive heliocentric mathematical model of the motion of the planets was developed by Nicholas Copernicus. 12 people found this useful.
Copernicus. Well over a thousand years later, Nicolaus Copernicus came up with a radical way of looking at the Universe. His heliocentric system put the Sun (helio) at the center of our system. He was not the first to have this theory.Earlier starwatchers had believed the same, but it was Copernicus who brought it to the world of the Renaissance and used his own observations of the movements of the planets to back up his idea.his site from NASA follows the development of ideas about the solar system from Ptolemy to Copernicus to Galileo. Makers of Science by Michael Allaby & Derek Gjertsen. Volume one of this reference set has information on Aristotle, Copernicus, and Galileo.