On the “Planetary Trail” you get a sense of the vast dimensions of our solar system. On a scale 1:1 billion you walk from planet to planet - from our Sun to the dwarf planet Pluto - learning something new about our planetary neighbors. This trail is ideal for families and an absolute highlight for future astronauts and astronomers!Astronomer David Gruber will let you know interesting facts and anecdotes along the way. So, tie your shoestrings, and lets go!