1 Expand the Remove unwanted characters section by clicking on the arrows next to the second tab on the Cell Cleaner pane in Excel. 2  To remove characters select the range with the cells that contain values you want to delete.3  Choose the option that suits your task.4  You can select one of these five options: Expand the Remove unwanted characters section by clicking on the arrows next to the second tab on the Cell Cleaner pane in Excel. 2  To remove characters select the range with the cells that contain values you want to delete. 3  Choose the option that suits your task. 4  You can select one of these five options:
Andreas Cellarius's illustration of the Copernican system, from the Harmonia Macrocosmica (1708). Heliocentrism, or heliocentricism, is the astronomical model in which the Earth and planets revolve around the Sun at the center of the Solar System. The word comes from the Greek (á¼¥Î»Î¹Î¿Ï helios sun and ÎºÎ­Î½ÏÏÎ¿Î½ kentron center).
â¢ In the geocentric model, the earth is considered as the center of the universe, and all celestial bodies move around the earth (planets, moon, sun and the stars). â¢ In the heliocentric model, the sun is considered as the center of the universe, and the celestial bodies move around the sun.