Seasons Interactive Everyone knows that it’s warmer in the sumer than in the winter, but why is that? With this interactive, you can examine the main factors which affect temperature: the position of the Earth in its orbit around the Sun, the tilt of the Earth’s axis of rotation, and the path of the Sun [...]
Moon Phases Sunlight is responsible for both day and night on Earth and for the different phases of the Moon as seen from Earth. View the project
Rocket Science 101 Welcome to Rocket Science 101. This application shows the basic parts of the launch vehicle, how they are configured, and how they work together to launch a NASA spacecraft. View the project
Planet Size Comparison How large is the Earth compared to Mercury? to Venus? to the sun? Here’s a visual approach for comparing planet sizes. View the project
Black Holes: Gravity’s Relentless Pull Black holes are out there. But what are they? The mass of the Earth creates the gravity that pulls things to the ground. With enough power, we can escape that gravity and leave the earth behind. View the project
Cosmic Perspective – Orbits and Kepler’s Laws If you look at Mars or Jupiter every night for a few weeks, you will see that they move with respect to the background stars. View the project