As we can feel the wind in a moving sailboat and figure out which way and how fast we are moving, someone thought that, as we are traveling through space in our own planet Earth, we should be able to somehow feel the wind. If we can perceive the slight differences in the speed of the light of the stars coming towards us from different directions, we might figure out where are we going and how fast and, most intriguingly, where did we come from. (más…)