Surfing On Titan Would Be Best In Summer

Space is mostly vast and empty. So whenever we notice something like ripples on a lake, on the frozen moon of a gas giant, we take notice. At a meeting of the American Geophysical Union in San Francisco this week, it was reported that Cassini images of Saturn's moon Titan showed light being reflected from the Ligeia Mare, a frigid sea of hydrocarbons on that moon. Subsequent images showed the same phenomenon on two other seas of Titan, as well. These are thought to be waves, the first waves dete...