Internet access is unreliable in the great outdoors! Reference this handy flow chart on tangible objects from the League Store.
¿Hablas español? Thanks to the expert translation of Felipe at the Chilean astronomy site Cosmo Noticias, a Spanish version of this chart is now available here.
Parli italiano? The efforts of Gwendalyne have made this chart trilingual; read it in Italian on her blog, found over here.
Mówisz po polsku? Polish-speaking astrophiles, you are in luck: yet another translated version of this chart is featured on the Kocham Kosmos site, here.
Polyglot and/or fan of consolidation? All four versions of the chart can be seen together here.