{"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\/sv\/future_astronauts_could_use_moondust_to_produce_power\/","title":{"rendered":"Framtida astronauter skulle kunna anv\u00e4nda m\u00e5nstoft f\u00f6r att producera energi"},"content":{"rendered":"<div class=\"lede\">\n<p>N\u00e4r vi bor p\u00e5 jorden beh\u00f6ver vi aldrig v\u00e4nta s\u00e4rskilt l\u00e4nge innan vi f\u00e5r se solljus. Var 24:e timme roterar v\u00e5r planet ett varv runt sin egen axel, vilket ger oss en dag och en natt. Men hur skulle det vara om man befann sig p\u00e5 m\u00e5nen? Den kretsar p\u00e5 ett annat s\u00e4tt. Det kan vara mycket solljus i 14 dagar, f\u00f6ljt av 14 dagar d\u00e5 det \u00e4r mycket m\u00f6rkt.<\/p>\n<\/div>\n<p>Detta utg\u00f6r ett problem f\u00f6r framtida m\u00e4nskliga m\u00e5nforskare, eftersom de kommer att beh\u00f6va solljus som lyser p\u00e5 solpaneler som i sin tur producerar den s\u00e5 v\u00e4lbeh\u00f6vliga elen. \u00c5tminstone har det alltid varit planen\u2026 tills nu! ESA-forskare unders\u00f6ker ett nytt s\u00e4tt att anv\u00e4nda det lager av m\u00e5nstoft som t\u00e4cker m\u00e5nen som ett slags batteri. Under m\u00e5ndagens dagtid absorberar och lagrar m\u00e5nstoftet energi fr\u00e5n solljuset. Skulle energin kunna frig\u00f6ras p\u00e5 natten och anv\u00e4ndas f\u00f6r att producera el?<\/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>M\u00e5nen \u00e4r t\u00e4ckt av m\u00e5nstoft<\/figcaption><\/figure>\n<p>Forskarna tror det. Deras id\u00e9 \u00e4r att anv\u00e4nda m\u00e5nga speglar f\u00f6r att reflektera solljuset mot s\u00e4rskilt f\u00f6rberedda omr\u00e5den med m\u00e5nstoft. D\u00e4r skulle man placera en anordning som kallas v\u00e4rmemotor. Under dagen skulle temperaturen i m\u00e5nstoftet runt v\u00e4rmemotorn kunna \u00f6verstiga 100 \u00b0C! En del av v\u00e4rmen skulle lagras i m\u00e5nstoftet.<\/p>\n<p>N\u00e4r natten faller p\u00e5 skulle det heta m\u00e5nstoftet gradvis avge sin energi, driva v\u00e4rmemotorn \u2013 och f\u00f6rse astronauterna som utforskar m\u00e5nen med el!<\/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>Den h\u00e4r bilden visar hur jorden ser ut fr\u00e5n m\u00e5nen<\/figcaption><\/figure>\n<p>Om det fungerar som planerat skulle v\u00e4rmemotorer bli billigare och effektivare \u00e4n solpaneler, eller till och med radioaktiva v\u00e4rmek\u00e4llor, som \u00e4r en annan metod som anv\u00e4nds idag f\u00f6r att tillhandah\u00e5lla energi. N\u00e4sta steg f\u00f6r ESA:s forskare \u00e4r att skapa en datorsimulering av en v\u00e4rmemotor. D\u00e4refter kan de bygga en liten prototyp av v\u00e4rmemotorn f\u00f6r att testa den!<\/p>\n<p>Skulle du vilja bo p\u00e5 en m\u00e5nbas som drivs av en v\u00e4rmemotor som utnyttjar m\u00e5nstoft?<\/p>\n<p><b>Rolig fakta:<\/b> P\u00e5 natten blir det otroligt kallt p\u00e5 m\u00e5nens yta \u2013 ibland under -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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