{"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\/hu\/future_astronauts_could_use_moondust_to_produce_power\/","title":{"rendered":"A j\u00f6v\u0151 \u0171rhaj\u00f3sai a holdport felhaszn\u00e1lhatn\u00e1k az energia el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz"},"content":{"rendered":"<div class=\"lede\">\n<p>A F\u00f6ld\u00f6n \u00e9lve soha nem kell sok\u00e1ig v\u00e1rnunk, hogy napf\u00e9nyt l\u00e1ssunk. Bolyg\u00f3nk 24 \u00f3r\u00e1nk\u00e9nt egyszer megfordul a saj\u00e1t tengelye k\u00f6r\u00fcl, \u00edgy egy napot \u00e9s egy \u00e9jszak\u00e1t kapunk. De mi lenne, ha a Holdon lenn\u00e9l? A Hold m\u00e1sk\u00e9pp kering. Lehet, hogy 14 napig rengeteg napf\u00e9ny van, majd ezt 14 napos s\u00f6t\u00e9ts\u00e9g k\u00f6veti.<\/p>\n<\/div>\n<p>Ez probl\u00e9m\u00e1t jelent a j\u00f6v\u0151beli holdkutat\u00f3k sz\u00e1m\u00e1ra, mivel sz\u00fcks\u00e9g\u00fck lesz a napf\u00e9nyre, hogy az a napelemekre s\u00fctve a sz\u00e1mukra elengedhetetlen \u00e1ramot termelje. Legal\u00e1bbis ez volt mindig is a terv\u2026 eddig! Az ESA kutat\u00f3i egy \u00faj m\u00f3dszert vizsg\u00e1lnak, amelynek keret\u00e9ben a Holdat bor\u00edt\u00f3 holdporr\u00e9teget egyfajta akkumul\u00e1tork\u00e9nt haszn\u00e1ln\u00e1k fel. A holdi nappal folyam\u00e1n a holdpor elnyeli \u00e9s t\u00e1rolja a napf\u00e9ny energi\u00e1j\u00e1t. Lehets\u00e9ges lenne-e ezt az energi\u00e1t \u00e9jszaka felszabad\u00edtani \u00e9s villamos energia el\u0151\u00e1ll\u00edt\u00e1s\u00e1ra felhaszn\u00e1lni?<\/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>A Holdat holdpor bor\u00edtja<\/figcaption><\/figure>\n<p>A kutat\u00f3k \u00fagy v\u00e9lik, hogy igen. Az elk\u00e9pzel\u00e9s\u00fck az, hogy rengeteg t\u00fck\u00f6r seg\u00edts\u00e9g\u00e9vel a napf\u00e9nyt a holdpor speci\u00e1lisan el\u0151k\u00e9sz\u00edtett ter\u00fcleteire t\u00fckr\u00f6zz\u00e9k vissza. Oda egy \u00fagynevezett h\u0151motor ker\u00fclne elhelyez\u00e9sre. Napk\u00f6zben a h\u0151motor k\u00f6r\u00fcli holdpor h\u0151m\u00e9rs\u00e9klete meghaladhatn\u00e1 a 100 \u00b0C-ot! A h\u0151 egy r\u00e9sze a holdporban t\u00e1rol\u00f3dna.<\/p>\n<p>Amint be\u00e1ll az \u00e9jszaka, a forr\u00f3 holdpor fokozatosan felszabad\u00edtan\u00e1 energi\u00e1j\u00e1t, meghajtva ezzel a h\u0151motort \u2013 \u00e9s \u00e1ramot szolg\u00e1ltatva a Holdot felfedez\u0151 \u0171rhaj\u00f3soknak!<\/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>Ez a f\u00e9nyk\u00e9p azt mutatja, hogyan n\u00e9z ki a F\u00f6ld a Holdr\u00f3l n\u00e9zve<\/figcaption><\/figure>\n<p>Ha minden a tervek szerint alakul, a h\u0151motorok olcs\u00f3bbak \u00e9s hat\u00e9konyabbak lenn\u00e9nek, mint a napelemek, vagy ak\u00e1r a radioakt\u00edv f\u0171t\u0151berendez\u00e9sek, amelyek szint\u00e9n jelenleg alkalmazott energiaell\u00e1t\u00e1si m\u00f3dszerek. A k\u00f6vetkez\u0151 l\u00e9p\u00e9s az, hogy az ESA kutat\u00f3i sz\u00e1m\u00edt\u00f3g\u00e9pes szimul\u00e1ci\u00f3t k\u00e9sz\u00edtsenek egy h\u0151motorr\u00f3l. Ezut\u00e1n \u00e9p\u00edthetnek egy kis protot\u00edpus h\u0151motort, amelyet tesztelni fognak!<\/p>\n<p>Szeretn\u00e9l egy olyan holdb\u00e1zison \u00e9lni, amelyet holdporral m\u0171k\u00f6dtetett h\u0151motor l\u00e1t el energi\u00e1val?<\/p>\n<p><b>\u00c9rdekes t\u00e9ny:<\/b> \u00c9jszaka a Hold felsz\u00edne hihetetlen\u00fcl leh\u0171l \u2013 n\u00e9ha ak\u00e1r -170 \u00b0C al\u00e1 is!<\/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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