A perfect video to accompany the preceding post about possible undiscovered planets,
To Scale: the Solar System
On a dry lakebed in Nevada, a group of friends build the first scale model of the solar system
with complete planetary orbits: a true illustration of our place in the universe.
The new Planet Nine discovered by Caltech researchers would not have fit in this desert
as it is 20 times further from the Sun than Neptune
or about 140 miles at this scale