-
earth center solar system, no telescope
-
-
used telescope, figured out sun is in the center
-
improved telescope, observed moon, supported copernicus
-
discovered supernova, earth centered,sun centered
-
planets revolved around sun, planetary motion
-
created laws motion, optics, gravity, calculus
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.