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.
From Wikipedia, the free encyclopedia. Nicolaus Copernicus (February 19, 1473 â May 24, 1543) was the astronomer who provided the first modern formulation of a heliocentric (sun-centered) theory of the solar system, in his epochal book, De revolutionibus orbium coelestium (On the Revolutions of the Celestial Spheres). Copernicus was one of the great polymaths of the Renaissance.