{"id":378,"date":"2018-06-19T15:02:00","date_gmt":"2018-06-19T13:02:00","guid":{"rendered":"https:\/\/kids.esa.int\/zero-g_aeroplane_helps_scientists_to_experiment_with_gravity\/"},"modified":"2026-10-08T00:27:29","modified_gmt":"2026-10-07T22:27:29","slug":"zero-g_aeroplane_helps_scientists_to_experiment_with_gravity","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/ro\/zero-g_aeroplane_helps_scientists_to_experiment_with_gravity\/","title":{"rendered":"Avionul Zero-G \u00eei ajut\u0103 pe oamenii de \u0219tiin\u021b\u0103 s\u0103 fac\u0103 experimente cu gravita\u021bia!"},"content":{"rendered":"<div class=\"lede\">\n<p>Sta\u021bia Spa\u021bial\u0103 Interna\u021bional\u0103 este un laborator fantastic \u00een spa\u021biu. Oamenii de \u0219tiin\u021b\u0103 desf\u0103\u0219oar\u0103 experimente \u00een condi\u021bii de imponderabilitate, ceea ce duce la tot felul de descoperiri revolu\u021bionare! Dar ce se \u00eent\u00e2mpl\u0103 dac\u0103 experimentul t\u0103u necesit\u0103 imponderabilitate par\u021bial\u0103, nu total\u0103? ESA, Centrul Aerospatial German (DLR) \u0219i Agen\u021bia Spa\u021bial\u0103 Francez\u0103 (CNES) \u0219i-au unit for\u021bele pentru a face acest lucru posibil!<\/p>\n<\/div>\n<p>\u00cen loc s\u0103 plece \u00een spa\u021biu, au folosit un avion foarte special, numit A310 Zero-G. C\u00e2nd se afl\u0103 \u00een aer, pilotul avionului Zero-G efectueaz\u0103 o manevr\u0103 dificil\u0103. Acesta trage brusc \u00een sus, apoi reduce for\u021ba de trac\u021biune. Astfel, avionul Zero-G descrie un arc larg \u00een aer, de parc\u0103 ar fi fost lansat de o catapult\u0103! \u00cen momentul \u00een care avionul ajunge \u00een punctul culminant al arcului, toate persoanele \u0219i echipamentele de la bord se afl\u0103 \u00een c\u0103dere liber\u0103, ceea ce echivaleaz\u0103 cu starea de imponderabilitate, timp de aproximativ 20 de secunde. Apoi, avionul \u00eencepe s\u0103 coboare, iar efectul gravita\u021biei revine. \u00cen scurt timp, pilotul trebuie s\u0103 ridice nasul avionului pentru a-l men\u021bine \u00een aer, iar procesul poate \u00eencepe din nou!<\/p>\n<p>Pentru a ob\u021bine efectul de un sfert, jum\u0103tate \u0219i trei sferturi din gravita\u021bie, pilotul a modificat unghiul de zbor al avionului Zero-G \u00een timpul ascensiunii, ceea ce a f\u0103cut ca avionul s\u0103 urmeze o traiectorie diferit\u0103 \u00een aer. Aceast\u0103 tehnic\u0103 nu fusese \u00eencercat\u0103 p\u00e2n\u0103 atunci, dar a func\u021bionat foarte bine!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"2850\" data-credit=\"Novespace\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/06\/Gravity_for_the_loss2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/06\/gravity_for_the_loss2\/17881179-2-eng-GB\/Gravity_for_the_loss.jpg\" alt=\"Gravity for the loss\"><figcaption>Gravita\u021bia pentru pierdere<\/figcaption><\/figure>\n<p>Cele trei agen\u021bii spa\u021biale au colaborat la diferite experimente \u00een cadrul acestui zbor special. Unul dintre experimente a analizat efectele gravita\u021biei par\u021biale asupra modului \u00een care func\u021bioneaz\u0103 creierul nostru. Experimente anterioare au ar\u0103tat c\u0103 scurte perioade de imponderabilitate cresc fluxul sanguin c\u0103tre creier, ceea ce ajut\u0103 creierul s\u0103 func\u021bioneze mai bine. Totu\u0219i, starea de imponderabilitate prelungit\u0103 are efecte secundare negative asupra creierului nostru. Ar putea exista un echilibru optim \u00een cazul gravita\u021biei reduse? Acesta este aspectul pe care \u00eel cercetau unii dintre oamenii de \u0219tiin\u021b\u0103 afla\u021bi la bord.<\/p>\n<p>Un alt experiment a vizat r\u0103d\u0103cinile plantelor \u0219i modul \u00een care acestea reac\u021bioneaz\u0103 la condi\u021biile de gravita\u021bie par\u021bial\u0103. Din experimentele efectuate la bordul Sta\u021biei Spa\u021biale Interna\u021bionale \u0219tim c\u0103 plantele se pot adapta surprinz\u0103tor de repede, dar avem nevoie de mai multe informa\u021bii pentru a \u00een\u021belege pe deplin modul \u00een care se modific\u0103 acestea.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"3012\" data-credit=\"ESA - A. Gerst\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/06\/Alexander_Gerst_in_weightlessness\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/06\/alexander_gerst_in_weightlessness\/17889652-2-eng-GB\/Alexander_Gerst_in_weightlessness.jpg\" alt=\"Alexander Gerst in weightlessness\"><figcaption>Alexander Gerst \u00een stare de imponderabilitate<\/figcaption><\/figure>\n<p>Experimente precum acestea sunt foarte importante pentru planificarea trimiterii astronau\u021bilor umani pe Lun\u0103 \u0219i chiar pe Marte. Pot oamenii s\u0103 tr\u0103iasc\u0103 \u0219i s\u0103 lucreze \u00een condi\u021bii de imponderabilitate total\u0103 pentru o perioad\u0103 \u00eendelungat\u0103 sau este nevoie de un anumit nivel de gravita\u021bie pentru a ne men\u021bine s\u0103n\u0103to\u0219i? Cultivarea plantelor \u00een spa\u021biu \u0219i pe alte planete va fi esen\u021bial\u0103 pentru supravie\u021buirea noastr\u0103, a\u0219a c\u0103 trebuie s\u0103 \u0219tim \u0219i cum reac\u021bioneaz\u0103 acestea la diferite niveluri de gravita\u021bie!<\/p>\n<p>Imagineaz\u0103-\u021bi c\u0103 e\u0219ti un om de \u0219tiin\u021b\u0103 care zboar\u0103 cu avionul Zero-G. \u00ce\u021bi vine \u00een minte vreun experiment pe care \u021bi-ar pl\u0103cea s\u0103-l realizezi? Ar ajuta acest experiment astronau\u021bii s\u0103 exploreze lumi noi \u00een viitor?<\/p>\n<p><b>Un fapt interesant:<\/b> Aeronava Zero-G poate efectua picaje pentru a crea condi\u021bii de gravita\u021bie redus\u0103 la fiecare trei minute, \u00een total de 31 de ori pe zbor. Este ca un roller coaster extrem \u00een cer, dar folosit \u00een scopuri \u0219tiin\u021bifice!<\/p>","protected":false},"excerpt":{"rendered":"<p>The International Space Station is a fantastic laboratory in space. Scientists conduct experiments in weightless conditions, leading to all kinds of new breakthroughs! But what if your experiment needs to [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/06\/zero-g_takeoff\/17901050-2-eng-GB\/Zero-G_takeoff.jpg","esa_banner_description":"Zero-G takeoff","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/06\/Zero-G_takeoff","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-378","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/comments?post=378"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/378\/revisions"}],"predecessor-version":[{"id":4425,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/378\/revisions\/4425"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/media?parent=378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/categories?post=378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/tags?post=378"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/panel?post=378"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/language?post=378"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/age?post=378"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/duration?post=378"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/resource_type?post=378"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/audience?post=378"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/wf_post_folders?post=378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}