Geocentric model and planets were holes in invisible wheels surrounding Earth; through the holes, humans could see concealed fire. About the same time, Pythagoras thought that the Earth was a sphere (in accordance with observations of eclipses), but not at the center; they believed that it was in motion around an unseen fire. Later these views were combined, so most educated Greeks from the 4th century BC on thought that the Earth was a sphere at the center of the universe. In the 4th century BC, two influential Greek philosophers, Plato and his student Aristotle, wrote works based on the geocentric model.
Central House (Central, Alaska) Central House (Central, Alaska) The Central House, also known as Erickson & Stade's, at Mile 128 on the Steese Highway in Central, Alaska, was a log structure built in 1926 by Riley Erickson and John Stade, replacing an 1894 log and sod structure that was burned in a 1925 fire. It served as a roadhouse restaurant and hotel, and was listed on the National Register of Historic Places in 1978. Located on Crooked Creek, it was deemed significant for its historical role as a central focus for miners of other creeks that were Birch Creek tributaries and for serving travelers.