Explore Messier Objects
Go Observing includes advanced options where you get to decide the exposure time of the observation and the filter the telescope uses.
Gravity Simulator
Is gravity the same everywhere? Experiment with how the ball reacts in each of the Solar System locations by dropping or throwing the ball. How similar or different is each location to Earth?
Order the Orbit
These orbit maps of the inner Solar System are in the wrong places on the calendar! Can you rearrange them so each image is on the correct date?