{"id":785,"date":"2022-11-13T21:17:42","date_gmt":"2022-11-13T19:17:42","guid":{"rendered":"http:\/\/www.cosmoespai.com\/cat\/?p=785"},"modified":"2022-11-13T21:17:42","modified_gmt":"2022-11-13T19:17:42","slug":"que-es-la-zona-habitable-duna-estrella","status":"publish","type":"post","link":"https:\/\/www.cosmoespai.com\/cat\/que-es-la-zona-habitable-duna-estrella\/","title":{"rendered":"Qu\u00e8 \u00e9s la zona habitable d\u2019una estrella?"},"content":{"rendered":"\n<p class=\"has-text-align-justify\">La troballa d\u2019un planeta similar a la Terra generaria un gran impacte i inter\u00e8s, sobre tot si aquest planeta pogu\u00e9s ser habitable. Per\u00f2, on podr\u00edem buscar un planeta amb les condicions necess\u00e0ries per poder contenir vida? Un dels llocs per buscar planetes habitables a l\u2019univers \u00e9s l\u2019anomenada zona habitable, tamb\u00e9 coneguda com a \u00abzona r\u00ednxols d\u2019or\u00bb.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><em><u><strong>Qu\u00e8 \u00e9s la zona habitable?<\/strong><\/u><\/em><\/h4>\n\n\n\n<p class=\"has-text-align-justify\">La zona habitable \u00e9s l\u2019\u00e0rea al voltant d\u2019una estrella on l\u2019aigua l\u00edquida pot existir sobre la superf\u00edcie dels planetes que l\u2019orbiten. En aquesta zona, la temperatura no \u00e9s ni massa freda ni massa calenta, i les condicions del planeta podrien fer possible la vida en ell. Per tant, un planeta que es trob\u00e9s dins de la zona habitable no estaria massa a prop de l\u2019estrella ja que sin\u00f3 els seus mars s\u2019evaporarien, per\u00f2 tampoc massa lluny ja que en aquest cas es congelaria tota l\u2019aigua existent.<\/p>\n\n\n\n<p class=\"has-text-align-justify\">Cada estrella t\u00e9 una zona habitable diferent. Aix\u00ed, les estrelles m\u00e9s grans i m\u00e9s lluminoses tenen una zona habitable de gran extensi\u00f3, que comen\u00e7a bastant lluny a l\u2019estrella en q\u00fcesti\u00f3. D\u2019altra banda, la zona habitable de les estrelles m\u00e9s petites i menys lluminoses \u00e9s estreta i se situa molt m\u00e9s a prop de l\u2019astre.<\/p>\n\n\n\n<p class=\"has-text-align-justify\">En el cas del nostre sistema solar, la zona habitable comen\u00e7a una mica m\u00e9s enll\u00e0 de l\u2019\u00f2rbita de Venus i arriba m\u00e9s o menys fins a l\u2019\u00f2rbita de Mart.<\/p>\n\n\n\n<p class=\"has-text-align-justify\">En general, la zona habitable \u00e9s un dels llocs a l\u2019univers en el que m\u00e9s es pensa a l\u2019hora de buscar vida a en el mateix. No obstant, la zona habitable \u00e9s \u00fatil nom\u00e9s com a refer\u00e8ncia, per\u00f2 poc m\u00e9s. Per exemple, que un planeta es trobi a la zona habitable d\u2019una estrella no implica ni tan sols que tingui aigua, i molt menys que hi hagi vida. D\u2019altra banda, l\u2019aigua pot existir en forma l\u00edquida fora d\u2019aquesta zona a causa de diferents factors, com ara fen\u00f2mens geotermals, o per la influ\u00e8ncia gravitat\u00f2ria d\u2019un cos massiu i proper (com \u00e9s el cas d\u2019alguns sat\u00e8l\u00b7lits que orbiten J\u00fapiter o Saturn).<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><strong>Entrades Similars:<\/strong><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/com-es-formen-els-planetes\/\">Com es formen els planetes?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/quan-dura-un-dia-als-planetes-interiors\/\">Quan dura un dia als planetes interiors?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/quins-son-els-requisits-per-a-ser-un-planeta\/\">Quins s\u00f3n els requisits per a ser un planeta?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/els-tipus-de-planetes-que-hi-ha-al-sistema-solar-i-les-seves-caracteristiques\/\">Els tipus de planetes que hi ha al sistema solar i les seves caracter\u00edstiques<\/a><\/p>\n\n\n\n<p><strong>Entrades Populars:<\/strong><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/perque-la-lluna-nomes-ens-ensenya-una-cara\/\">Perqu\u00e8 la Lluna nom\u00e9s ens ensenya una cara?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/stephenson-2-18-lestrella-mes-gran-coneguda-a-lunivers\/\">Stephenson 2-18, l\u2019estrella m\u00e9s gran coneguda a l\u2019univers<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/lexplotacio-minera-al-cinturo-dasteroides-una-font-de-recursos\/\">L\u2019explotaci\u00f3 minera al cintur\u00f3 d\u2019asteroides, una font de recursos<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/la-brossa-espacial-un-gran-problema\/\">La brossa espacial, un gran problema<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/com-es-van-extingir-els-dinosaures\/\">Com es van extingir els dinosaures?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/que-passaria-si-la-terra-deixes-de-rotar\/\">Qu\u00e8 passaria si la Terra deix\u00e9s de rotar?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/la-missio-a-venus-de-la-sonda-venus-express-per-la-esa\/\">La missi\u00f3 a Venus de la sonda Venus Express per la ESA<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/quins-son-els-requisits-per-a-ser-un-planeta\/\">Quins s\u00f3n els requisits per a ser un planeta?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/perque-no-es-poden-sentir-sons-a-lespai\/\">Perqu\u00e8 no es poden sentir sons a l\u2019espai?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/quina-mida-i-forma-tindrien-els-extraterrestres\/\">Quina mida i forma tindrien els extraterrestres?<\/a><\/p>\n\n\n\n<p><a href=\"http:\/\/www.cosmoespai.com\/cat\/les-unitats-de-mesura-que-fem-servir-en-astronomia\/\">Les unitats de mesura que fem servir en astronomia<\/a><\/p>\n\n\n\n<p><strong>Entrades Recents:<\/strong><\/p>\n\n\n<ul class=\"wp-block-latest-posts__list is-grid columns-3 wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.cosmoespai.com\/cat\/com-viatjar-al-futur-sense-violar-les-lleis-de-la-fisica\/\">Com Viatjar al Futur Sense Violar les Lleis de la F\u00edsica<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.cosmoespai.com\/cat\/que-es-la-gravetat\/\">Qu\u00e8 \u00e9s la gravetat?<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.cosmoespai.com\/cat\/per-que-hi-ha-mes-materia-que-antimateria-a-lunivers\/\">Per qu\u00e8 hi ha m\u00e9s mat\u00e8ria que antimat\u00e8ria a l\u2019univers?<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.cosmoespai.com\/cat\/que-es-lantimateria\/\">Qu\u00e8 \u00e9s l\u2019antimat\u00e8ria?<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.cosmoespai.com\/cat\/per-que-els-centres-de-les-galaxies-contenen-forats-negres\/\">Per qu\u00e8 els centres de les gal\u00e0xies contenen forats negres?<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>La troballa d\u2019un planeta similar a la Terra generaria un gran impacte i inter\u00e8s, sobre tot si aquest planeta pogu\u00e9s ser habitable. Per\u00f2, on podr\u00edem<span class=\"read-more-link\"><a class=\"read-more\" href=\"https:\/\/www.cosmoespai.com\/cat\/que-es-la-zona-habitable-duna-estrella\/\">Continuar llegint<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":787,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":""},"categories":[5,658,6],"tags":[234,505,347,31,212,623,481,254,663],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/11\/Zona_Habitable.jpg?fit=720%2C405","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":409,"url":"https:\/\/www.cosmoespai.com\/cat\/es-possible-la-vida-al-voltant-de-nanes-vermelles\/","url_meta":{"origin":785,"position":0},"title":"\u00c9s possible la vida al voltant de nanes vermelles?","author":"Ferran","date":"23 de juliol de 2021","format":false,"excerpt":"El nostre univers est\u00e0 poblat per molts tipus d\u2019estrelles. Cada tipus d\u2019estrella t\u00e9 un color diferent, i la seva vida varia des d\u2019uns quants milions d\u2019anys fins a bilions o trilions d\u2019anys. Per tant, el millor lloc on buscar vida seria al voltant de les estrelles m\u00e9s longeves, on la\u2026","rel":"","context":"A &quot;Estrelles&quot;","block_context":{"text":"Estrelles","link":"https:\/\/www.cosmoespai.com\/cat\/category\/estrelles\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2021\/07\/Vida_NanesVermelles.jpg?fit=720%2C405&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2021\/07\/Vida_NanesVermelles.jpg?fit=720%2C405&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2021\/07\/Vida_NanesVermelles.jpg?fit=720%2C405&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2021\/07\/Vida_NanesVermelles.jpg?fit=720%2C405&resize=700%2C400 2x"},"classes":[]},{"id":801,"url":"https:\/\/www.cosmoespai.com\/cat\/com-es-detecten-les-atmosferes-dels-exoplanetes\/","url_meta":{"origin":785,"position":1},"title":"Com es detecten les atmosferes dels exoplanetes?","author":"Ferran","date":"4 de desembre de 2022","format":false,"excerpt":"Els m\u00e8todes per detectar exoplanetes (planetes que es troben fora del sistema solar) s\u00f3n varis, i la t\u00e8cnica utilitzada varia enormement en cada cas. Gr\u00e0cies a noves tecnologies s\u2019han detectat fins a dia d\u2019avui m\u00e9s de 5.200 exoplanetes. No obstant, el nombre de planetes dels quals hem pogut analitzar la\u2026","rel":"","context":"A &quot;Planetes&quot;","block_context":{"text":"Planetes","link":"https:\/\/www.cosmoespai.com\/cat\/category\/planetes\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/12\/Deteccio_Atmosfera.jpg?fit=720%2C405&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/12\/Deteccio_Atmosfera.jpg?fit=720%2C405&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/12\/Deteccio_Atmosfera.jpg?fit=720%2C405&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/12\/Deteccio_Atmosfera.jpg?fit=720%2C405&resize=700%2C400 2x"},"classes":[]},{"id":790,"url":"https:\/\/www.cosmoespai.com\/cat\/quants-planetes-existeixen-a-lunivers\/","url_meta":{"origin":785,"position":2},"title":"Quants planetes existeixen a l\u2019univers?","author":"Ferran","date":"20 de novembre de 2022","format":false,"excerpt":"La Terra forma part del sistema solar. L\u2019estrella d\u2019aquest sistema \u00e9s el Sol, i aquest est\u00e0 orbitat per 8 planetes (Mercuri, Venus, La Terra, Mart, J\u00fapiter, Saturn, Ur\u00e0, i Nept\u00fa). L\u2019univers est\u00e0 format per un n\u00famero inimaginable de gal\u00e0xies, que contenen, cada una d\u2019elles, milers de milions d\u2019estrelles. Per\u00f2, quants\u2026","rel":"","context":"A &quot;Planetes&quot;","block_context":{"text":"Planetes","link":"https:\/\/www.cosmoespai.com\/cat\/category\/planetes\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/11\/Planetes_Univers.jpg?fit=720%2C405&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/11\/Planetes_Univers.jpg?fit=720%2C405&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/11\/Planetes_Univers.jpg?fit=720%2C405&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/11\/Planetes_Univers.jpg?fit=720%2C405&resize=700%2C400 2x"},"classes":[]},{"id":807,"url":"https:\/\/www.cosmoespai.com\/cat\/deteccio-dexoplanetes-el-metode-de-la-velocitat-radial\/","url_meta":{"origin":785,"position":3},"title":"Detecci\u00f3 d\u2019exoplanetes: el m\u00e8tode de la velocitat radial","author":"Ferran","date":"6 de desembre de 2022","format":false,"excerpt":"La detecci\u00f3 d\u2019exoplanetes s\u2019ha desenvolupat en gran mesura durant les \u00faltimes d\u00e8cades. Des de la primera detecci\u00f3 d\u2019un exoplaneta al 1994, s\u2019han anat posant en pr\u00e0ctica diversos m\u00e8todes per descobrir exoplanetes. A causa de les enormes dificultats per observar planetes directament, quasi totes les deteccions d\u2019exoplanetes s\u2019han efectuat mitjan\u00e7ant m\u00e8todes\u2026","rel":"","context":"A &quot;General&quot;","block_context":{"text":"General","link":"https:\/\/www.cosmoespai.com\/cat\/category\/general\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/12\/Velocitat_Radialexoplanetes.jpg?fit=720%2C405&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/12\/Velocitat_Radialexoplanetes.jpg?fit=720%2C405&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/12\/Velocitat_Radialexoplanetes.jpg?fit=720%2C405&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/12\/Velocitat_Radialexoplanetes.jpg?fit=720%2C405&resize=700%2C400 2x"},"classes":[]},{"id":795,"url":"https:\/\/www.cosmoespai.com\/cat\/el-metode-del-transit-la-millor-manera-per-descobrir-exoplanetes\/","url_meta":{"origin":785,"position":4},"title":"El m\u00e8tode del tr\u00e0nsit: la millor manera per descobrir exoplanetes","author":"Ferran","date":"27 de novembre de 2022","format":false,"excerpt":"La cerca de planetes m\u00e9s enll\u00e0 del sistema solar va comen\u00e7ar fa tan sols unes d\u00e8cades, i al novembre de 2022, el n\u00famero d\u2019exoplanetes descoberts (planetes que es troben fora del sistema solar) ja supera els 5.250. Avui en dia s\u2019utilitzen v\u00e0ries t\u00e8cniques per poder detectar exoplanetes. La m\u00e9s utilitzada\u2026","rel":"","context":"A &quot;General&quot;","block_context":{"text":"General","link":"https:\/\/www.cosmoespai.com\/cat\/category\/general\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/11\/Transit_Exoplanetes.jpg?fit=720%2C405&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/11\/Transit_Exoplanetes.jpg?fit=720%2C405&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/11\/Transit_Exoplanetes.jpg?fit=720%2C405&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2022\/11\/Transit_Exoplanetes.jpg?fit=720%2C405&resize=700%2C400 2x"},"classes":[]},{"id":826,"url":"https:\/\/www.cosmoespai.com\/cat\/en-quin-lloc-de-lunivers-es-troba-la-terra\/","url_meta":{"origin":785,"position":5},"title":"En quin lloc de l\u2019univers es troba la Terra?","author":"Ferran","date":"1 de gener de 2023","format":false,"excerpt":"La Terra, tamb\u00e9 anomenada el planeta blau, \u00e9s el tercer planeta que orbita el Sol. Aquest \u00faltim \u00e9s un dels milers de milions d\u2019estels que formen la nostra gal\u00e0xia: la Via L\u00e0ctia. La Via L\u00e0ctia \u00e9s una gal\u00e0xia espiral, pel que podem diferenciar-ne dues zones principals. Una d\u2019elles \u00e9s l\u2019anomenat\u2026","rel":"","context":"A &quot;La Terra&quot;","block_context":{"text":"La Terra","link":"https:\/\/www.cosmoespai.com\/cat\/category\/sistema-solar\/la-terra\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2023\/01\/Situaci\u00f3_Terra.jpg?fit=720%2C405&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2023\/01\/Situaci\u00f3_Terra.jpg?fit=720%2C405&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2023\/01\/Situaci\u00f3_Terra.jpg?fit=720%2C405&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cosmoespai.com\/cat\/wp-content\/uploads\/2023\/01\/Situaci\u00f3_Terra.jpg?fit=720%2C405&resize=700%2C400 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/posts\/785"}],"collection":[{"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/comments?post=785"}],"version-history":[{"count":2,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/posts\/785\/revisions"}],"predecessor-version":[{"id":788,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/posts\/785\/revisions\/788"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/media\/787"}],"wp:attachment":[{"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/media?parent=785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/categories?post=785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cosmoespai.com\/cat\/wp-json\/wp\/v2\/tags?post=785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}