{"id":1447,"date":"2013-06-01T11:49:14","date_gmt":"2013-06-01T11:49:14","guid":{"rendered":"http:\/\/paslongtemps.net\/blog\/2013\/06\/01\/roam-the-whole-solar-system-with-little-or-no\/"},"modified":"2020-04-05T17:32:10","modified_gmt":"2020-04-05T15:32:10","slug":"roam-the-whole-solar-system-with-little-or-no","status":"publish","type":"post","link":"https:\/\/paslongtemps.net\/blog\/2013\/06\/01\/roam-the-whole-solar-system-with-little-or-no\/","title":{"rendered":""},"content":{"rendered":"\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 33%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-1447 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/paslongtemps.net\/blog\/2013\/06\/01\/roam-the-whole-solar-system-with-little-or-no\/attachment\/1448\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/paslongtemps.net\/blog\/wp-content\/uploads\/sites\/3\/2013\/06\/tumblr_mglct0VVcK1qc38e9o1_1280-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p>Roam the whole solar system with little or no energy.<\/p>\n<p><a class=\"tumblr_blog\" href=\"http:\/\/isomorphismes.tumblr.com\/post\/51844462176\/to-efficiently-travel-in-the-solar-system-like\">isomorphismes<\/a>:<\/p>\n<blockquote>\n<p>To efficiently travel in the solar system (like, using gravity as much as possible and fighting it as little as possible \u2014 cf, Dao\/wuwei\u00a0\u7121\u7232) you want to weave among these moving pullers like a Tarzan brachiating among the vines.<\/p>\n<p>via @vruba:<\/p>\n<blockquote>\n<div>\n<p>It wasn\u2019t so much learning as relearning, but I was delighted the other day when one Peter R. \u2013 no, that won\u2019t do; let\u2019s call him P. Richardson \u2013 linked to <a href=\"http:\/\/en.wikipedia.org\/wiki\/Interplanetary_transport_network\">the interplanetary transport network<\/a>. This is a fluid set of easy paths around the Solar System that has only a very abstract kind of existence but is of first importance if you want to, say, send something to Mars.<\/p>\n<p>Orbital mechanics are way beyond my understanding, but they\u2019re really cool. Twice now I\u2019ve implemented the velocity Verlet integrator, without really getting why it works, to play. Actually, a friend of my family is a mathematician whose entire \u2013 quite successful \u2013 career is in geometric integration. He\u2019s published a couple dozen papers on, basically, the plusses and minuses of various ways of simulating simple physical systems. It\u2019s all just super neat. Did you know Buzz Aldrin figured out <a href=\"http:\/\/en.wikipedia.org\/wiki\/Aldrin_cycler\">an important Earth-Mars orbit<\/a>?<\/p>\n<\/div>\n<\/blockquote>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Roam the whole solar system with little or no energy. isomorphismes: To efficiently travel in the solar system (like, using gravity as much as possible and fighting it as little as possible \u2014 cf, Dao\/wuwei\u00a0\u7121\u7232) you want to weave among these moving pullers like a Tarzan brachiating among the vines. via @vruba: It wasn\u2019t so [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1447","post","type-post","status-publish","format-gallery","hentry","category-uncategorized","post_format-post-format-gallery"],"_links":{"self":[{"href":"https:\/\/paslongtemps.net\/blog\/wp-json\/wp\/v2\/posts\/1447","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/paslongtemps.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/paslongtemps.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/paslongtemps.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/paslongtemps.net\/blog\/wp-json\/wp\/v2\/comments?post=1447"}],"version-history":[{"count":1,"href":"https:\/\/paslongtemps.net\/blog\/wp-json\/wp\/v2\/posts\/1447\/revisions"}],"predecessor-version":[{"id":1449,"href":"https:\/\/paslongtemps.net\/blog\/wp-json\/wp\/v2\/posts\/1447\/revisions\/1449"}],"wp:attachment":[{"href":"https:\/\/paslongtemps.net\/blog\/wp-json\/wp\/v2\/media?parent=1447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/paslongtemps.net\/blog\/wp-json\/wp\/v2\/categories?post=1447"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/paslongtemps.net\/blog\/wp-json\/wp\/v2\/tags?post=1447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}