In this video I turn my sidewalk into a colorful model of the solar system using sidewalk chalk. I draw each planet to scale ...

Add Yahoo as a preferred source to see more of our stories on Google. Conventional images of the Earth and the moon place them close together, the moon hovering, seemingly, right over our planet's ...

In a mind-bending exploration of cosmic proportions, we set out on a journey to walk the entire solar system within the confines of a single city. By shrinking the vastness of our celestial ...