http://www.explainxkcd.com/2009/12/28/gravity-wells/ Thu, 09 Feb 2012 23:36:29 -0500 http://wordpress.org/?v=2.8.4 hourly 1 http://www.explainxkcd.com/2009/12/28/gravity-wells/comment-page-1/#comment-1267 Nametag Fri, 12 Feb 2010 20:17:33 +0000 http://www.explainxkcd.com/?p=309#comment-1267 The reference on Titan is to "The Sirens of Titan," a novel by Kurt Vonnegut, Jr. The reference on Titan is to “The Sirens of Titan,” a novel by Kurt Vonnegut, Jr.

]]> http://www.explainxkcd.com/2009/12/28/gravity-wells/comment-page-1/#comment-1215 Jeff Fri, 08 Jan 2010 15:57:32 +0000 http://www.explainxkcd.com/?p=309#comment-1215 The BS Dude below has the answer in the Carl Sagan remix. The BS Dude below has the answer in the Carl Sagan remix.

]]> http://www.explainxkcd.com/2009/12/28/gravity-wells/comment-page-1/#comment-1208 Thebes Wed, 06 Jan 2010 18:59:48 +0000 http://www.explainxkcd.com/?p=309#comment-1208 http://www.youtube.com/watch?v=zSgiXGELjbc http://www.youtube.com/watch?v=zSgiXGELjbc

]]> http://www.explainxkcd.com/2009/12/28/gravity-wells/comment-page-1/#comment-1204 Poppingweasels Mon, 04 Jan 2010 16:44:44 +0000 http://www.explainxkcd.com/?p=309#comment-1204 I'd like to know what the references on Titan and Neptune are. I’d like to know what the references on Titan and Neptune are.

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