2012-05-12_14.48.49 Erika and intelligence-enhancing ray
Date: 05/12/2012
Views: 8
P1070046 Bob Mahoney explains orbital mechanics
The two hula hoops are possible orbits of a hypothetical spaceship orbiting the globe. Read more about the Orbital Mechanics panel in my blog. Read more about ArmadilloCon 2009 in this series of blog posts.