{"id":4484,"date":"2026-05-23T04:00:32","date_gmt":"2026-05-23T02:00:32","guid":{"rendered":"https:\/\/studentmag.unipr.it\/?p=4484"},"modified":"2026-05-20T16:39:13","modified_gmt":"2026-05-20T14:39:13","slug":"vita-da-fuorisede-nello-spazio","status":"publish","type":"post","link":"https:\/\/studentmag.unipr.it\/index.php\/2026\/05\/23\/vita-da-fuorisede-nello-spazio\/","title":{"rendered":"Vita da fuorisede\u2026 nello spazio"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--link_color: var(--awb-color4);--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" 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type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa-camera fas\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p>crediti\u00a0<a href=\"https:\/\/unsplash.com\/it\/foto\/costume-da-astronauta-InZ2V70i-Xk?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditShareLink\" target=\"_blank\" rel=\"noopener\"><strong>Vitaliy Zamedyanskiy<\/strong><\/a><\/p>\n<\/div><\/li><\/ul><div class=\"fusion-section-separator section-separator grunge fusion-section-separator-1\" style=\"--awb-spacer-height:43px;--awb-svg-margin-left:1.92%;--awb-svg-margin-right:1.92%;--awb-svg-margin-left-medium:1.92%;--awb-svg-margin-right-medium:1.92%;--awb-svg-margin-left-small:1.92%;--awb-svg-margin-right-small:1.92%;--awb-bg-size:100% 100%;--awb-bg-size-medium:100% 100%;--awb-bg-size-small:100% 100%;\"><div class=\"fusion-section-separator-svg\"><div class=\"fusion-grunge-candy-sep 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);height:43px;\"><\/div><\/div><div class=\"fusion-section-separator-spacer\"><div class=\"fusion-section-separator-spacer-height\"><\/div><\/div><\/div><div class=\"fusion-separator fusion-has-icon fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;width:100%;\"><div class=\"fusion-separator-border sep-single sep-dashed\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-color2);border-top-width:3px;\"><\/div><span class=\"icon-wrapper\" style=\"border-color:transparent;font-size:23px;width: 1.75em; height: 1.75em;border-width:3px;padding:3px;margin-top:-1.5px\"><i class=\"fa-angle-double-down fas\" style=\"font-size: inherit;color:var(--awb-color2);\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-separator-border sep-single sep-dashed\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-color2);border-top-width:3px;\"><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\" style=\"--awb-content-alignment:justify;\"><p><span style=\"font-weight: 400;\">A centinaia di chilometri dalle loro case, lontani per mesi, costretti a condividere spazi comuni ristretti. Potrebbe sembrare la descrizione di tanti studenti fuori sede, e in parte lo \u00e8. Solo che qui parliamo degli astronauti della <strong>Stazione Spaziale Internazionale<\/strong>. In orbita a circa 500 chilometri dalla superficie terrestre, la <strong>ISS<\/strong> ospita in media sei o sette astronauti per volta, provenienti da tutto il mondo. Come in ogni convivenza, anche nello spazio valgono regole precise. E tra queste, il cibo gioca un ruolo fondamentale.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Anche per lo spazio esiste una versione del celebre \u201cpacco da casa\u201d. Gli astronauti ricevono alimenti selezionati, spesso legati alla loro cultura d\u2019origine. Il cibo deve rispettare criteri molto precisi: essere leggero, sicuro e facile da consumare in assenza di gravit\u00e0. Per questo si trovano soprattutto: cibi disidratati (pasta, zuppe e uova strapazzate) che vengono preparati aggiungendo acqua prima del consumo. L\u2019assenza di liquidi ne facilita la conservazione e, soprattutto, li rende pi\u00f9 leggeri, permettendo di trasportarne quantit\u00e0 maggiori in orbita. In aggiunta a questi si trovano i cibi termo-stabilizzati, simili a piatti pronti come carne, riso e verdure, che grazie a questo processo risultano sicuri e a lunga conservazione. La dieta include anche snack confezionati, come barrette, frutta secca e biscotti, oltre alle tortillas, preferite al pane perch\u00e9 non producono briciole. Completano il quadro le bevande in polvere, tra cui caff\u00e8, t\u00e8 e succhi, che vengono reidratate al momento del consumo.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tutto il cibo \u00e8 racchiuso in buste ermetiche e sigillate. La pulizia \u00e8 fondamentale e le\u00a0 briciole, che sulla Terra sono solo un fastidio, in assenza di gravit\u00e0 possono rappresentare un pericolo per l\u2019attrezzatura a bordo. I vassoi dei pasti hanno velcro e magneti per fissarli ed evitare che fluttuino. A bassa gravit\u00e0 l\u2019uso della cannuccia \u00e8 necessario, i liquidi non stanno nel bicchiere e vanno consumati nei sacchetti che li contengono.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ma come si cucina a bordo? Chi spera in una cucina spaziale rester\u00e0 deluso. Sulla ISS non esistono fornelli n\u00e9 fiamme libere. I principali \u201cmetodi\u201d sono la reidratazione aggiungendo acqua calda o fredda nelle buste del cibo. Oppure riscaldamento attraverso speciali fornetti per il cibo precedentemente cotto. Oltre a queste attenzioni si \u00e8 osservato che nello spazio il senso del gusto si altera: i fluidi corporei tendono a spostarsi verso la testa, riducendo la percezione dei sapori. Proprio per questo si preferiscono i cibi speziati e saporiti. Ma il cibo non \u00e8 solo nutrimento, ma svolge anche un ruolo psicologico soprattutto nelle missioni pi\u00f9 lunghe. Non \u00e8 raro che vengano portati alimenti simbolici del proprio Paese, piccoli \u201ccomfort food\u201d capaci di migliorare il morale dell\u2019equipaggio. Iconiche sono le immagini degli astronauti che preparano pizze o, pi\u00f9 recentemente, la foto del barattolo di Nutella che fluttua nella capsula Orion durante la missione Artemis2.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Se il cibo \u00e8 importante, l\u2019acqua \u00e8 vitale. Sulla ISS viene rifornita dalla Terra, ma soprattutto riciclata grazie a sistemi avanzati come l\u2019ECLSS (Sistema di controllo ambientale e supporto vitale). Questo impianto recupera umidit\u00e0, sudore e persino urina, sottoponendoli a filtrazione, distillazione e purificazione. Il risultato? Fino al 90% dell\u2019acqua viene riutilizzato. Una soluzione estrema, ma necessaria: nello spazio non ci si pu\u00f2 permettere sprechi.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dalla tavola alla tecnologia, la vita sulla ISS dimostra quanto anche i gesti pi\u00f9 quotidiani, come mangiare o bere, diventino una sfida quando si lascia la Terra. E, in fondo, anche nello spazio, gli astronauti restano un po\u2019 come noi: fuori sede in cerca di un sapore di casa.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Pillole di scienza: cosa mangiano gli astronauti sulla ISS?<\/p>\n","protected":false},"author":8,"featured_media":4485,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26,29],"tags":[148,58],"autore":[204],"class_list":["post-4484","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lungo-parma","category-uni-verso","tag-studenti","tag-universita","autore-andrea-salvemini"],"acf":[],"_links":{"self":[{"href":"https:\/\/studentmag.unipr.it\/index.php\/wp-json\/wp\/v2\/posts\/4484","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/studentmag.unipr.it\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/studentmag.unipr.it\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/studentmag.unipr.it\/index.php\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/studentmag.unipr.it\/index.php\/wp-json\/wp\/v2\/comments?post=4484"}],"version-history":[{"count":4,"href":"https:\/\/studentmag.unipr.it\/index.php\/wp-json\/wp\/v2\/posts\/4484\/revisions"}],"predecessor-version":[{"id":4490,"href":"https:\/\/studentmag.unipr.it\/index.php\/wp-json\/wp\/v2\/posts\/4484\/revisions\/4490"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/studentmag.unipr.it\/index.php\/wp-json\/wp\/v2\/media\/4485"}],"wp:attachment":[{"href":"https:\/\/studentmag.unipr.it\/index.php\/wp-json\/wp\/v2\/media?parent=4484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/studentmag.unipr.it\/index.php\/wp-json\/wp\/v2\/categories?post=4484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/studentmag.unipr.it\/index.php\/wp-json\/wp\/v2\/tags?post=4484"},{"taxonomy":"autore","embeddable":true,"href":"https:\/\/studentmag.unipr.it\/index.php\/wp-json\/wp\/v2\/autore?post=4484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}