Curated OER
What Orbital Dynamic Variables are Responsible for Earth's Weather?
Students explore the changing of the seasons. In this astronomy and seasons lesson, students construct a model of the revolution of the sun and the moon. Students compare the recorded solstice/equinox orbital positions and explain the...
Curated OER
Ellipses and Kepler's First Law
The class examines graphs in the form r = F(¿¿) in polar coordinates (r, ¿¿), in particular with the circle, ellipse and other conic sections. They determine the nature of an ellipse by studying the role of the semimajor axis and...
Curated OER
Ellipses And Kepler's First Law
High schoolers explain that planets actually orbit the center of gravity of the solar system, and that distant planets may be detected by motions of their central star around the centers of gravity of their planetary systems.