S1 E6: Smartphone and Tablet Models of the Galaxies

0:02:02 | Clip
The volunteers tackle their next challenge: If we could fit our galaxy on a smart phone and Andromeda on a tablet, how far apart would they be? They work out how far away the two galaxies are from each other with some simple math and can visually see how far the nearest galaxy is to our Milky Way.


Watch on the Free PBS App