FINAL GRADES: University interpretation of Federal privacy law effectively
forbids the public posting of final grades by the professor. You may
obtain grade information directly from the University through MARS or
Astronomical Programs specifically created for this course
Hamilton. Build your own solar systems,
learn about astronomical
distances and giant impacts,
practice scientific notation and working with equations, and more!
Watch the planets move around the Sun on their actual orbits!
Follow this link to the Inner Solar System and Outer Solar
Check out the orbits of all 67 moons orbiting the planets in our
JavaLab for the curious.
Collide or cannibalize your own galaxies, explore the
expansion history of the cosmos, and more!
Supplementary Information for UMD Introductory Astronomy. This
site includes useful practice multiple choice questions which
the computer will grade for you.