Prof. Carl Sagan
Carl Sagan popularized the Cosmic Calendar as a method to visualize the chronology of the universe, scaling its current age of 13.8 billion years to a single year to help intuit it for pedagogical purposes.
Prof. Carl Sagan
Carl Sagan popularized the Cosmic Calendar as a method to visualize the chronology of the universe, scaling its current age of 13.8 billion years to a single year to help intuit it for pedagogical purposes.