{"id":448,"date":"2017-04-11T09:57:00","date_gmt":"2017-04-11T07:57:00","guid":{"rendered":"https:\/\/kids.esa.int\/future_astronauts_could_use_moondust_to_produce_power\/"},"modified":"2026-10-08T00:28:19","modified_gmt":"2026-10-07T22:28:19","slug":"future_astronauts_could_use_moondust_to_produce_power","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/ro\/future_astronauts_could_use_moondust_to_produce_power\/","title":{"rendered":"Viitorii astronau\u021bi ar putea folosi praful lunar pentru a produce energie"},"content":{"rendered":"<div class=\"lede\">\n<p>Tr\u0103ind pe P\u0103m\u00e2nt, nu trebuie s\u0103 a\u0219tept\u0103m niciodat\u0103 prea mult p\u00e2n\u0103 s\u0103 vedem lumina soarelui. La fiecare 24 de ore, planeta noastr\u0103 se rote\u0219te o dat\u0103 \u00een jurul axei sale, oferindu-ne o zi \u0219i o noapte. Dar ce s-ar \u00eent\u00e2mpla dac\u0103 te-ai afla pe Lun\u0103? Aceasta orbiteaz\u0103 \u00eentr-un mod diferit. Pot fi 14 zile cu mult\u0103 lumin\u0103 solar\u0103, urmate de 14 zile \u00een care este foarte \u00eentuneric.<\/p>\n<\/div>\n<p>Aceasta reprezint\u0103 o problem\u0103 pentru viitorii exploratori umani ai Lunii, deoarece vor avea nevoie de lumina soarelui pentru a alimenta panourile solare care, la r\u00e2ndul lor, produc energia electric\u0103 at\u00e2t de necesar\u0103. Cel pu\u021bin, acesta a fost \u00eentotdeauna planul\u2026 p\u00e2n\u0103 acum! Cercet\u0103torii ESA studiaz\u0103 o nou\u0103 modalitate de a utiliza stratul de praf lunar care acoper\u0103 Luna ca pe un fel de baterie. \u00cen timpul zilei lunare, praful lunar absoarbe \u0219i stocheaz\u0103 energia provenit\u0103 de la lumina soarelui. Ar putea aceast\u0103 energie s\u0103 fie eliberat\u0103 noaptea \u0219i utilizat\u0103 pentru a produce energie electric\u0103?<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"Jorge Ma\u00f1es Rubio. Spatial design &amp; visualisation in collaboration with DITISHOE http:\/\/ditishoe.com\/\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/04\/The_Moon_is_covered_with_moondust\" 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\/2017\/04\/the_moon_is_covered_with_moondust\/17895757-2-eng-GB\/The_Moon_is_covered_with_moondust.jpg\" alt=\"The Moon is covered with moondust\"><figcaption>Luna este acoperit\u0103 de praf lunar<\/figcaption><\/figure>\n<p>Cercet\u0103torii cred c\u0103 da. Ideea lor este s\u0103 foloseasc\u0103 numeroase oglinzi pentru a reflecta lumina soarelui c\u0103tre zone de praf lunar preg\u0103tite special \u00een acest scop. Acolo ar fi amplasat un dispozitiv numit \u201emotor termic\u201d. \u00cen timpul zilei, temperatura prafului lunar din jurul motorului termic ar putea dep\u0103\u0219i 100 \u00b0C! O parte din c\u0103ldur\u0103 ar fi stocat\u0103 \u00een praful lunar.<\/p>\n<p>Odat\u0103 cu venirea nop\u021bii, praful lunar fierbinte \u00ee\u0219i va elibera treptat energia, aliment\u00e2nd motorul termic \u2013 \u0219i furniz\u00e2nd energie electric\u0103 astronau\u021bilor care exploreaz\u0103 Luna!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1761\" data-credit=\"JAXA\/NHK\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/04\/This_photo_shows_what_Earth_looks_like_from_the_Moon\" 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\/2017\/04\/this_photo_shows_what_earth_looks_like_from_the_moon\/17876628-2-eng-GB\/This_photo_shows_what_Earth_looks_like_from_the_Moon.jpg\" alt=\"This photo shows what Earth looks like from the Moon\"><figcaption>Aceast\u0103 fotografie arat\u0103 cum arat\u0103 P\u0103m\u00e2ntul v\u0103zut de pe Lun\u0103<\/figcaption><\/figure>\n<p>Dac\u0103 totul va func\u021biona conform planului, motoarele termice ar fi mai ieftine \u0219i mai eficiente dec\u00e2t panourile solare sau chiar dec\u00e2t \u00eenc\u0103lzitoarele radioactive, care reprezint\u0103 o alt\u0103 metod\u0103 actual\u0103 de furnizare a energiei. Urm\u0103torul pas pentru cercet\u0103torii ESA este s\u0103 realizeze o simulare pe computer a unui motor termic. Apoi, vor putea construi un mic prototip de motor termic pe care s\u0103-l testeze!<\/p>\n<p>\u021ai-ar pl\u0103cea s\u0103 locuie\u0219ti \u00eentr-o baz\u0103 lunar\u0103 alimentat\u0103 de un motor termic pe baz\u0103 de praf lunar?<\/p>\n<p><b>Un fapt interesant:<\/b> Noaptea, suprafa\u021ba Lunii devine incredibil de rece \u2013 uneori temperatura scade sub -170 \u00b0C!<\/p>","protected":false},"excerpt":{"rendered":"<p>Living on Earth, we never have to wait very long before seeing sunlight. Every 24 hours our planet spins on its axis once, giving us one day and one night. [&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\/2017\/04\/here_is_an_idea_for_a_future_building_on_the_moon\/17903455-2-eng-GB\/Here_is_an_idea_for_a_future_building_on_the_Moon.jpg","esa_banner_description":"Here is an idea for a future building on the Moon","esa_banner_credit":"Jorge Ma\u00f1es Rubio. 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