Make Your Own Star Wheel
Have you ever noticed how the night sky looks different every single day? This is because we are constantly moving in space so our view changes.
Why Do Shadows Change Over Time?
Have you noticed that your shadow changes over time? The cartoon on this page shows why shadows change during the day.
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.