Planets also have 'tails' in that sense as well. Source: http://en.wikipedia.org/wiki/Bow_Shock http://en.wikipedia.org/wiki/Bow_Shock Also, here is the origi

Planets also have 'tails' in that sense as well. Source: http://en.wikipedia.org/wiki/Bow_Shock http://en.wikipedia.org/wiki/Bow_Shock Also, here is the original NASA.gov article that the article is quoting: http://www.nasa.gov/content/nasa-s-ibex-provides-first-view-of-the-solar-system-s-tail/ http://www.nasa.gov/content/nasa-s-ibex-provides-first-view-...