character: Johannes Kepler
topic: Planetary Motion and Heliocentrism
grade: 6
subject: History
LearnActions
SearchCreate
character: Nicolaus Copernicus
topic: Heliocentric Theory
grade: 6
subject: History
LearnActions
SearchCreate
character: Galileo Galilei
topic: Support of Heliocentrism
grade: 6
subject: History
LearnActions
SearchCreate
character: Isaac Newton
topic: Law of Universal Gravitation
grade: 6
subject: History
LearnActions
SearchCreate