Cornell University
Cornell University: Astronomy: Aristarchus
This site from Cornell University provides a discussion of how Aristarchus arrived at his conclusions of the distance from the Earth to the Sun and Moon. Also has his methods for determining the size of the Moon and the Sun.
PBS
Pbs News Hour Extra: Lesson Plan: Planets in Proportion
Students learn about the distance and relative size of the rest of the planets compared to the Earth and Sun. The lesson plan includes an assessment and extension activities.
Curated OER
Cornell University: Aristarchus
This site from Cornell University provides a discussion of how Aristarchus arrived at his conclusions of the distance from the earth to the sun and moon. Also has his methods for determining the size of the moon and the sun.
Curated OER
Cornell University: Aristarchus
This site from Cornell University provides a discussion of how Aristarchus arrived at his conclusions of the distance from the earth to the sun and moon. Also has his methods for determining the size of the moon and the sun.