{"id":5149,"date":"2017-03-05T18:42:10","date_gmt":"2017-03-05T17:42:10","guid":{"rendered":"http:\/\/serveiseducatius.xtec.cat\/tarragones\/?p=5149"},"modified":"2019-04-29T11:21:48","modified_gmt":"2019-04-29T09:21:48","slug":"agassol","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/tarragones\/dinamitzacio\/trics\/agassol\/","title":{"rendered":"Un viatge a l&#8217;estratosfera"},"content":{"rendered":"<p style=\"text-align: left;\"><span style=\"color: #808080;\"><em><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-6288\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Ins-Serra-de-Miramar-Albert-Gassol-Puigjaner.jpg\" alt=\"Ins Serra de Miramar - Albert Gassol Puigjaner\" width=\"177\" height=\"235\" \/>T\u00edtol:<\/strong><\/em><\/span><strong> Un viatge a l&#8217;estratosfera<\/strong><br \/>\n<em><strong><span style=\"color: #808080;\">Autor:<\/span> <\/strong><\/em><strong>Albert Gassol Puigjaner<\/strong><br \/>\n<span style=\"color: #808080;\"><em><strong>Tutor:<\/strong><\/em> <\/span>Alexis Plana Mir\u00f3<br \/>\n<span style=\"color: #808080;\"><em><strong>Modalitat:<\/strong><\/em> <\/span>Cient\u00edfico-tecnol\u00f2gic<br \/>\n<span style=\"color: #808080;\"><em><strong>\u00c0rea curricular:<\/strong><\/em> <\/span>F\u00edsica i tecnologia<br \/>\n<span style=\"color: #808080;\"><em><strong>Centre:<\/strong><\/em><\/span> Ins Serra de Miramar<br \/>\n<span style=\"color: #808080;\"><em><strong>Localitat:<\/strong> <\/em><\/span>Valls<\/p>\n<p style=\"text-align: justify;\">Per definici\u00f3, un sat\u00e8l\u00b7lit \u00e9s un objecte natural o artificial que gira al voltant d\u2019un planeta. Normalment aquest objecte \u00e9s m\u00e9s petit que el planeta i l\u2019acompanya en la seva \u00f2rbita al voltant de l\u2019estrella. Els sat\u00e8l\u00b7lits artificials s\u00f3n objectes creats i posats en \u00f2rbita per l\u2019home amb un o m\u00e9s objectius determinats. Per\u00f2, com s\u2019aconsegueix enviar un sat\u00e8l\u00b7lit artificial a l\u2019espai? I un cop enviat, com s\u2019aconsegueix que orbiti al voltant, de per exemple la Terra, sense que caigui? Trobar resposta a aquestes preguntes \u00e9s l\u2019objectiu d\u2019aquest treball de recerca.<a href=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/FullSizeRender.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5186 aligncenter\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/FullSizeRender.jpg\" alt=\"fullsizerender\" width=\"355\" height=\"523\" \/><\/a><\/p>\n<h6><strong>Objectius:<\/strong><\/h6>\n<ul style=\"text-align: left;\">\n<li><span style=\"color: #000000;\">Ampliar coneixements sobre la hist\u00f2ria i les aplicacions dels sat\u00e8l\u00b7lits artificials. <\/span><\/li>\n<li>Con\u00e8ixer quines s\u00f3n i comprendre com actuen les lleis de la f\u00edsica que juguen un paper clau a l\u2019hora d\u2019enviar un sat\u00e8l\u00b7lit artificial a l\u2019espai.<\/li>\n<li>Aprendre sobre les tecnologies associades al funcionament dels sat\u00e8l\u00b7lits artificials.<\/li>\n<li>Investigar la tecnologia utilitzada en els sistemes de comunicaci\u00f3 dels sat\u00e8l\u00b7lits artificials.<\/li>\n<li>Enviar una sonda meteorol\u00f2gica a l\u2019estratosfera per recollir dades de temperatura i pressi\u00f3 atmosf\u00e8rica.<\/li>\n<\/ul>\n<h6><strong>Hip\u00f2tesi:<\/strong><\/h6>\n<p style=\"text-align: left;\">La hip\u00f2tesi que es pret\u00e9n verificar en aquest treball \u00e9s la seg\u00fcent:<br \/>\nSi es coneixen les lleis f\u00edsiques que governen el llan\u00e7ament d&#8217;una sonda meteorol\u00f2gica i es sap programar de manera correcta els sensors necessaris, \u00e9s possible llan\u00e7ar una sonda meteorol\u00f2gica a l&#8217;estratosfera i recuperar-la per poder analitzar les dades recollides.<\/p>\n<h6><strong>El proc\u00e9s:<\/strong><\/h6>\n<p style=\"text-align: left;\">Aquest treball consta de dues parts essencials: una part te\u00f2rica i una part experimental. La part te\u00f2rica del treball est\u00e0 dedicada a fer un breu rep\u00e0s de la hist\u00f2ria dels sat\u00e8l\u00b7lits artificials, descriure\u2019n els tipus i utilitats, analitzar la seva influ\u00e8ncia en la societat i estudiar les lleis f\u00edsiques relacionades amb el llan\u00e7ament i posada en \u00f2rbita d\u2019un sat\u00e8l\u00b7lit artificial. Per la part de la hist\u00f2ria dels sat\u00e8l\u00b7lits artificials, he creat una l\u00ednia del temps (veure <a href=\"https:\/\/cdn.knightlab.com\/libs\/timeline3\/latest\/embed\/index.html?source=1qlz8U0b0VMK94bFEAXLPDVF9oDF_k6YdNQag9xtYm7k&amp;font=Default&amp;lang=en&amp;initial_zoom=2&amp;height=650\">aquest enlla\u00e7<\/a> ).<\/p>\n<p style=\"text-align: left;\">Donat que enviar un sat\u00e8l\u00b7lit artificial a l\u2019espai no est\u00e0 a l\u2019abast d\u2019un estudiant de batxillerat, la segona part d\u2019aquest treball es centra en fer quelcom factible que s\u2019aproximi el m\u00e0xim possible a l\u2019enviament d\u2019un sat\u00e8l\u00b7lit. Aix\u00ed doncs, a la segona part del treball t\u00e9 com a objectiu enviar un globus atmosf\u00e8ric a l\u2019estratosfera. Enviar un globus atmosf\u00e8ric a l\u2019estratosfera \u00e9s un projecte bastant ambici\u00f3s, per tant s\u2019ha realitzat de forma conjunta amb dos companys de classe de segon de Batxillerat: l\u2019Oriol Galofr\u00e9 i el Nico Camerlynck. El primer pas d\u2019aquest projecte conjunt ha estat repartir-se les tasques i per aix\u00f2 ha estat necessari identificar quatre blocs clau per aconseguir un resultat satisfactori.<\/p>\n<p style=\"text-align: left;\">Aquests blocs s\u00f3n:<\/p>\n<p style=\"text-align: left;\">1. L\u2019estudi de les lleis f\u00edsiques que cal tenir en compte a l\u2019hora d\u2019enlairar el globus.<br \/>\n2. L\u2019estudi de la tecnologia associada al disseny i la posterior construcci\u00f3 del globus meteorol\u00f2gic.<br \/>\n3. La programaci\u00f3 necess\u00e0ria dels components electr\u00f2nics que permeten recollir les dades que ens interessen. En particular els components electr\u00f2nics s\u00f3n: una placa Arduino Uno G3, un sensor de temperatura, un sensor de pressi\u00f3 atmosf\u00e8rica, un GPS Tracker, i una c\u00e0mera esportiva.<br \/>\n4. El tractament i an\u00e0lisis de les dades recollides.<\/p>\n<p style=\"text-align: left;\">El meu treball de recerca es centra en el primer i tercer bloc. Per comprendre les lleis f\u00edsiques relacionades amb el llan\u00e7ament d\u2019un globus atmosf\u00e8ric, vaig considerar interessant comen\u00e7ar estudiant les lleis f\u00edsiques que juguen un paper clau en el llan\u00e7ament d\u2019un sat\u00e8l\u00b7lit artificial. El proc\u00e9s de programaci\u00f3 de la placa Arduino i els seus respectius sensors ha estat un proc\u00e9s molt complex i que ha requerit molt de temps i dedicaci\u00f3. Es tracta d\u2019un proc\u00e9s que involucra m\u00faltiples proves fins a aconseguir el resultat desitjat.<\/p>\n<p style=\"text-align: left;\"><a href=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-2017-03-05-175628.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5185\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-2017-03-05-175628.png\" alt=\"captura-de-2017-03-05-175628\" width=\"436\" height=\"426\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-2017-03-05-175628.png 583w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-2017-03-05-175628-300x293.png 300w\" sizes=\"auto, (max-width: 436px) 100vw, 436px\" \/><\/a> <a href=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-2017-03-05-175656.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5184\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-2017-03-05-175656.png\" alt=\"captura-de-2017-03-05-175656\" width=\"436\" height=\"364\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-2017-03-05-175656.png 602w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-2017-03-05-175656-300x250.png 300w\" sizes=\"auto, (max-width: 436px) 100vw, 436px\" \/><\/a> <a href=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/IMG_3574.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5196\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/IMG_3574-1024x768.jpg\" alt=\"img_3574\" width=\"278\" height=\"209\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/IMG_3574-1024x768.jpg 1024w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/IMG_3574-300x225.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/IMG_3574-768x576.jpg 768w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/IMG_3574-200x150.jpg 200w\" sizes=\"auto, (max-width: 278px) 100vw, 278px\" \/><\/a> <a href=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/IMG_3576.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5195\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/IMG_3576-1024x768.jpg\" alt=\"img_3576\" width=\"278\" height=\"209\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/IMG_3576-1024x768.jpg 1024w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/IMG_3576-300x225.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/IMG_3576-768x576.jpg 768w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/IMG_3576-200x150.jpg 200w\" sizes=\"auto, (max-width: 278px) 100vw, 278px\" \/><\/a><\/p>\n<h6><strong>Conclusions:<\/strong><\/h6>\n<p style=\"text-align: justify;\">Una primera conclusi\u00f3 del treball \u00e9s que el naixement dels sat\u00e8l\u00b7lits artificials va lligat principalment a l\u2018anomenada \u201cCursa Espacial\u201d, que va tenir lloc durant la Guerra Freda entre els Estats Units d\u2019Am\u00e8rica i l\u2019antiga Uni\u00f3 Sovi\u00e8tica. \u00c9s per aquest motiu que els primers sat\u00e8l\u00b7lits van ser llan\u00e7ats exclusivament per aquests dos pa\u00efsos.<\/p>\n<p style=\"text-align: justify;\">Una altra conclusi\u00f3 que podem extreure \u00e9s que els tipus de sat\u00e8l\u00b7lits s\u2019ha anat ampliant, passant d\u2019un \u00fas exclusivament militar als m\u00faltiples serveis per a la poblaci\u00f3 civil que ofereixen els sat\u00e8l\u00b7lits avui en dia. Aix\u00ed doncs, els sat\u00e8l\u00b7lits artificials tenen cada vegada m\u00e9s implicaci\u00f3 en la nostra vida di\u00e0ria. Un exemple pot ser l\u2019\u00fas del GPS, cada cop m\u00e9s generalitzat, ja sigui via els nostres tel\u00e8fons m\u00f2bils o via dispositius incorporats als nostres vehicles.<\/p>\n<p style=\"text-align: justify;\">De l\u2019estudi i comprensi\u00f3 de les lleis f\u00edsiques implicades en el funcionament dels sat\u00e8l\u00b7lits artificials, puc concloure que hi ha dues lleis f\u00edsiques que juguen un paper clau en aquest camp, que s\u00f3n la tercera llei de Newton d\u2019acci\u00f3-reacci\u00f3 i la for\u00e7a de propulsi\u00f3.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-pantalla-2017-01-02-a-les-17.07.02.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5188\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-pantalla-2017-01-02-a-les-17.07.02-1024x640.png\" alt=\"captura-de-pantalla-2017-01-02-a-les-17-07-02\" width=\"449\" height=\"281\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-pantalla-2017-01-02-a-les-17.07.02-1024x640.png 1024w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-pantalla-2017-01-02-a-les-17.07.02-300x188.png 300w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-pantalla-2017-01-02-a-les-17.07.02-768x480.png 768w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-pantalla-2017-01-02-a-les-17.07.02.png 1440w\" sizes=\"auto, (max-width: 449px) 100vw, 449px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">El coneixement de la f\u00edsica dels sat\u00e8l\u00b7lits artificials ha servit de base per a poder dissenyar i construir una sonda atmosf\u00e8rica, que \u00e9s el m\u00e9s semblant possible a un sat\u00e8l\u00b7lit artificial del que podem dissenyar utilitzant els recursos que tenim al nostre abast. D\u2019aquesta construcci\u00f3 he pogut concloure que la programaci\u00f3 no sempre \u00e9s tan f\u00e0cil com sembla i que requereix m\u00faltiples proves, molt de temps i paci\u00e8ncia. A m\u00e9s a m\u00e9s un bon estudi i disseny previ s\u00f3n fonamentals per assolir un resultat satisfactori.<\/p>\n<p style=\"text-align: justify;\"><a href=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-pantalla-2017-01-02-a-les-17.09.11.png\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5187 aligncenter\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-pantalla-2017-01-02-a-les-17.09.11-1024x577.png\" alt=\"captura-de-pantalla-2017-01-02-a-les-17-09-11\" width=\"449\" height=\"253\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-pantalla-2017-01-02-a-les-17.09.11-1024x577.png 1024w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-pantalla-2017-01-02-a-les-17.09.11-300x169.png 300w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-pantalla-2017-01-02-a-les-17.09.11-768x433.png 768w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/03\/Captura-de-pantalla-2017-01-02-a-les-17.09.11.png 1440w\" sizes=\"auto, (max-width: 449px) 100vw, 449px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">Aquest treball m\u2019ha servit per adonar-me de la import\u00e0ncia que t\u00e9 la f\u00edsica en el llan\u00e7ament i funcionament dels sat\u00e8l\u00b7lits i tamb\u00e9 en aspectes de la vida quotidiana que mai abans m\u2019hauria imaginat.<\/p>\n<p style=\"text-align: justify;\">Construir el globus meteorol\u00f2gic i poder-lo llan\u00e7ar ha estat tot un repte del qual n\u2019estic molt satisfet, tant pels resultats obtinguts com per tot el que he apr\u00e8s mentre desenvolupava el treball. Ha estat un plaer compartir aquest projecte amb els meus companys Nicol\u00e0s Camerlynck i Oriol Galofr\u00e9, i amb el nostre tutor Alexis Plana.<\/p>\n<p><iframe loading=\"lazy\" style=\"border: 1px solid #CCC; border-width: 1px; margin-bottom: 5px; max-width: 100%;\" src=\"\/\/www.slideshare.net\/slideshow\/embed_code\/key\/Fd3AYYRXGoZ95a\" width=\"595\" height=\"485\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"> <\/iframe><\/p>\n<h6><strong>Bibliografia:<\/strong><\/h6>\n<ul style=\"text-align: left;\">\n<li>Llibre de F\u00edsica de Segon de Batxillerat, McGraw-Hill<\/li>\n<li>Manual Arduino<\/li>\n<li style=\"text-align: left;\"><a href=\"https:\/\/www.nasa.gov\" target=\"_blank\" rel=\"noopener\">https:\/\/www.nasa.gov<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"http:\/\/www.nationalgeographic.com\/eye\/satellites.html\" target=\"_blank\" rel=\"noopener\">http:\/\/www.nationalgeographic.com\/eye\/satellites.html<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"http:\/\/satellites.spacesim.org\/english\/engineer\/copy\/\" target=\"_blank\" rel=\"noopener\">http:\/\/satellites.spacesim.org\/english\/engineer\/copy\/<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"http:\/\/www.ucsusa.org\/nuclear-weapons\/space-weapons\/what-are-satellites-used-for#.V4oHVBzbC1E\" target=\"_blank\" rel=\"noopener\">http:\/\/www.ucsusa.org\/nuclear-weapons\/space-weapons\/what-are-satellites-used-for#.V4oHVBzbC1E<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"http:\/\/earthobservatory.nasa.gov\/Features\/OrbitsCatalog\/\" target=\"_blank\" rel=\"noopener\">http:\/\/earthobservatory.nasa.gov\/Features\/OrbitsCatalog\/<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"http:\/\/www.highaltitudescience.com\/pages\/intro-to-weather-balloons\" target=\"_blank\" rel=\"noopener\">http:\/\/www.highaltitudescience.com\/pages\/intro-to-weather-balloons<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"http:\/\/tdrs.gsfc.nasa.gov\/tdrs\/116.html\" target=\"_blank\" rel=\"noopener\">http:\/\/tdrs.gsfc.nasa.gov\/tdrs\/116.html<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"https:\/\/www.nasa.gov\/directorates\/heo\/scan\/communications\/outreach\/funfacts\/txt_antenna_work.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.nasa.gov\/directorates\/heo\/scan\/communications\/outreach\/funfacts\/txt_antenna_work.html<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"http:\/\/www.philsrockets.org.uk\/Science.html\" target=\"_blank\" rel=\"noopener\">http:\/\/www.philsrockets.org.uk\/Science.html<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"http:\/\/hyperphysics.phy-astr.gsu.edu\/hbase\/rocket.html\" target=\"_blank\" rel=\"noopener\">http:\/\/hyperphysics.phy-astr.gsu.edu\/hbase\/rocket.html<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"https:\/\/brilliant.org\/wiki\/rocket-physics\/\" target=\"_blank\" rel=\"noopener\">https:\/\/brilliant.org\/wiki\/rocket-physics\/<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"https:\/\/www.grc.nasa.gov\/www\/k-12\/rocket\/rktthsum.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.grc.nasa.gov\/www\/k-12\/rocket\/rktthsum.html<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"https:\/\/www.grc.nasa.gov\/www\/k-12\/airplane\/rockth.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.grc.nasa.gov\/www\/k-12\/airplane\/rockth.html<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"http:\/\/www.braeunig.us\/space\/orbmech.htm\" target=\"_blank\" rel=\"noopener\">http:\/\/www.braeunig.us\/space\/orbmech.htm<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"https:\/\/www.nasa.gov\/centers\/glenn\/about\/fs21grc.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.nasa.gov\/centers\/glenn\/about\/fs21grc.html<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"https:\/\/www.arduino.cc\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.arduino.cc\/<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"http:\/\/habhub.org\/calc\/\" target=\"_blank\" rel=\"noopener\">http:\/\/habhub.org\/calc\/<\/a><\/li>\n<li style=\"text-align: left;\"><a href=\"http:\/\/predict.habhub.org\/\" target=\"_blank\" rel=\"noopener\">http:\/\/predict.habhub.org\/<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Ins Serra de Miramar<\/p>\n","protected":false},"author":1,"featured_media":5186,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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