Keyword: history

Like a "modern" Galileo, use true astronomical satellite observations to discover if the Sun (and other celestial objects) are rotating!
Find out the Sun’s rotation period, applying the simple equation of average speed to a real astronomical case.
Learn how the Vikings used the sky to navigate at sea with a hands-on activity!
How did Arabian sailors navigate at sea?
How to navigate at sea like an explorer?
Learn the ancient skill of Celestial Navigation
Build a timeline of the all Universe!
Build a sundial and discover how time can be measured.