{"id":4683,"date":"2014-03-14T10:23:03","date_gmt":"2014-03-14T14:23:03","guid":{"rendered":"http:\/\/nycphantom.com\/journal\/?p=4683"},"modified":"2014-03-14T12:42:46","modified_gmt":"2014-03-14T16:42:46","slug":"cuny-astr-30500-methods-in-astronomy","status":"publish","type":"post","link":"http:\/\/nycphantom.com\/journal\/?p=4683","title":{"rendered":"The City College CUNY Class: ASTR 30500 Methods in Astronomy"},"content":{"rendered":"<p>Centripedal force is not to be confused with<a href=\"http:\/\/en.wikipedia.org\/wiki\/Centrifugal_force\" target=\"_blank\"> centrifugal force<\/a>.<\/p>\n<p><a href=\"http:\/\/en.wikipedia.org\/wiki\/Orbital_decay\" target=\"_blank\">Orbital decay<\/a> caused by all kinds of factors. Professor mentioned Einstein's <a href=\"http:\/\/en.wikipedia.org\/wiki\/General_relativity\" target=\"_blank\">explanation <\/a>of such by orbital direction change:<a href=\"http:\/\/en.wikipedia.org\/wiki\/Apsidal_precession\" target=\"_blank\"> Orbital Precession<\/a>. However, I'm unclear as to if this is the cause of the decay, or that they share the same cause.<\/p>\n<p>Side note:<br \/>\n<strong>Retrograde orbit<\/strong>: orbiting in opposite direction. As opposed to synchronous orbit.<\/p>\n<p>I still suspect inverse square laws have to do with area of sphere.<\/p>\n<p><strong>Question<\/strong>: How did Kiefer convert G constant to a different unit? (6.67 x 10-11 N m^2\/kg^2 \u00a0or\u00a0 3.31 x 10-11 ft^2\/ lb)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Centripedal force is not to be confused with centrifugal force. Orbital decay caused by all kinds of factors. Professor mentioned Einstein's explanation of such by orbital direction change: Orbital Precession. However, I'm unclear as to if this is the cause &hellip; <a href=\"http:\/\/nycphantom.com\/journal\/?p=4683\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,10,8],"tags":[],"class_list":["post-4683","post","type-post","status-publish","format-standard","hentry","category-astronomy","category-projects","category-questions"],"_links":{"self":[{"href":"http:\/\/nycphantom.com\/journal\/index.php?rest_route=\/wp\/v2\/posts\/4683","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/nycphantom.com\/journal\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/nycphantom.com\/journal\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/nycphantom.com\/journal\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/nycphantom.com\/journal\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4683"}],"version-history":[{"count":7,"href":"http:\/\/nycphantom.com\/journal\/index.php?rest_route=\/wp\/v2\/posts\/4683\/revisions"}],"predecessor-version":[{"id":4695,"href":"http:\/\/nycphantom.com\/journal\/index.php?rest_route=\/wp\/v2\/posts\/4683\/revisions\/4695"}],"wp:attachment":[{"href":"http:\/\/nycphantom.com\/journal\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4683"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/nycphantom.com\/journal\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4683"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/nycphantom.com\/journal\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4683"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}