Keyword: distance

Let's make a simple model of the Orion constellation
A game of cards to understand powers of 10 and the very diverse scales in Nature
Learn how to build a model of the Sun...which can fit nearly 1 million little Earth balls!
Play with maps, moving your country to another planet!
Measure the distance to an asteroid with a novel technique
Understand astronomical distances using street lights
Build a scale model of the Solar System on your city map
A virtual journey to space to learn that we live on a tiny planet, in a vast and empty space.