Leiden Observatory


Massimo Viola, Space Awareness, Tran Dong Thai Han, Christian Eistrup, Henk Hoekstra, Jorge Rivero González


Lets' investigate gravity, dark matter and dark energy with some very simple experiments!
What are black holes and what would happen if the Sun was replaced by one of them?
How do astronomers detect invisible black holes?
Let's investigate the nature of dark matter and energy with gravitational lensing!
Unveiling the mystery of "shooting stars": meteors, meteorites and meteroids
A literal Earth-Shattering experiment
Use a globe to describe your position on Earth.
Demonstrate the seasons on Earth using a model.
Air takes up space even though you cannot see it.
Find out why, in the summer it is cooler by the sea than on the land!
Play a game of card and learn about the Sun and planets.
Build an Earth-Moon-Sun mobile to learn about how they orbit.
Learn about constellations by building a star lantern.
Build a timeline of the all Universe!
Build a model of the Milky Way to discover what our galaxy contains.
Discover how to read and draw maps by observing.
Build a sundial and discover how time can be measured.
Investigate three dimensional objects and perspective using constellations
Build an hourglass to understand what time is and how it can be measured.
Compare diurnal and nocturnal animals and experiment with day and night.
Investigate the properties of carbon dioxide with this fun demonstration.