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Disponibil în 36 limbi" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-36" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">36 limbi</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A7%D9%84%D8%B9%D9%8A%D9%86_%D8%A7%D9%84%D9%85%D8%AC%D8%B1%D8%AF%D8%A9" title="العين المجردة – arabă" lang="ar" hreflang="ar" data-title="العين المجردة" data-language-autonym="العربية" data-language-local-name="arabă" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Simple_vista" title="Simple vista – asturiană" lang="ast" hreflang="ast" data-title="Simple vista" data-language-autonym="Asturianu" data-language-local-name="asturiană" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Golo_oko" title="Golo oko – bosniacă" lang="bs" hreflang="bs" data-title="Golo oko" data-language-autonym="Bosanski" data-language-local-name="bosniacă" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Ull_nu" title="Ull nu – catalană" lang="ca" hreflang="ca" data-title="Ull nu" data-language-autonym="Català" data-language-local-name="catalană" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%86%D8%A7%D9%88%DB%8C_%D9%BE%DB%95%D8%AA%DB%8C" title="چاوی پەتی – kurdă centrală" lang="ckb" hreflang="ckb" data-title="چاوی پەتی" data-language-autonym="کوردی" data-language-local-name="kurdă centrală" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Pouh%C3%BDm_okem" title="Pouhým okem – cehă" lang="cs" hreflang="cs" data-title="Pouhým okem" data-language-autonym="Čeština" data-language-local-name="cehă" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Frei%C3%A4ugig" title="Freiäugig – germană" lang="de" hreflang="de" data-title="Freiäugig" data-language-autonym="Deutsch" data-language-local-name="germană" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Naked_eye" title="Naked eye – engleză" lang="en" hreflang="en" data-title="Naked eye" data-language-autonym="English" data-language-local-name="engleză" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Nuda_okulo" title="Nuda okulo – esperanto" lang="eo" hreflang="eo" data-title="Nuda okulo" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Simple_vista" title="Simple vista – spaniolă" lang="es" hreflang="es" data-title="Simple vista" data-language-autonym="Español" data-language-local-name="spaniolă" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Paljas_silm" title="Paljas silm – estonă" lang="et" hreflang="et" data-title="Paljas silm" data-language-autonym="Eesti" data-language-local-name="estonă" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Begi_huts" title="Begi huts – bască" lang="eu" hreflang="eu" data-title="Begi huts" data-language-autonym="Euskara" data-language-local-name="bască" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%86%D8%B4%D9%85_%D8%BA%DB%8C%D8%B1%D9%85%D8%B3%D9%84%D8%AD" title="چشم غیرمسلح – persană" lang="fa" hreflang="fa" data-title="چشم غیرمسلح" data-language-autonym="فارسی" data-language-local-name="persană" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/%C5%92il_nu" title="Œil nu – franceză" lang="fr" hreflang="fr" data-title="Œil nu" data-language-autonym="Français" data-language-local-name="franceză" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A2%D7%99%D7%9F_%D7%91%D7%9C%D7%AA%D7%99_%D7%9E%D7%96%D7%95%D7%99%D7%A0%D7%AA" title="עין בלתי מזוינת – ebraică" lang="he" hreflang="he" data-title="עין בלתי מזוינת" data-language-autonym="עברית" data-language-local-name="ebraică" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%A8%E0%A4%97%E0%A5%8D%E0%A4%A8_%E0%A4%86%E0%A4%81%E0%A4%96" title="नग्न आँख – hindi" lang="hi" hreflang="hi" data-title="नग्न आँख" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Mata_telanjang" title="Mata telanjang – indoneziană" lang="id" hreflang="id" data-title="Mata telanjang" data-language-autonym="Bahasa Indonesia" data-language-local-name="indoneziană" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Occhio_nudo" title="Occhio nudo – italiană" lang="it" hreflang="it" data-title="Occhio nudo" data-language-autonym="Italiano" data-language-local-name="italiană" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E8%82%89%E7%9C%BC" title="肉眼 – japoneză" lang="ja" hreflang="ja" data-title="肉眼" data-language-autonym="日本語" data-language-local-name="japoneză" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9C%A1%EC%95%88" title="육안 – coreeană" lang="ko" hreflang="ko" data-title="육안" data-language-autonym="한국어" data-language-local-name="coreeană" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Mat_bloussem_A" title="Mat bloussem A – luxemburgheză" lang="lb" hreflang="lb" data-title="Mat bloussem A" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgheză" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Neapbru%C5%86ota_acs" title="Neapbruņota acs – letonă" lang="lv" hreflang="lv" data-title="Neapbruņota acs" data-language-autonym="Latviešu" data-language-local-name="letonă" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%A8%E0%B4%97%E0%B5%8D%E0%B4%A8_%E0%B4%A8%E0%B5%87%E0%B4%A4%E0%B5%8D%E0%B4%B0%E0%B4%82" title="നഗ്ന നേത്രം – malayalam" lang="ml" hreflang="ml" data-title="നഗ്ന നേത്രം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Mata_kasar" title="Mata kasar – malaeză" lang="ms" hreflang="ms" data-title="Mata kasar" data-language-autonym="Bahasa Melayu" data-language-local-name="malaeză" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Freesichtigkeit" title="Freesichtigkeit – germana de jos" lang="nds" hreflang="nds" data-title="Freesichtigkeit" data-language-autonym="Plattdüütsch" data-language-local-name="germana de jos" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Blote_oog" title="Blote oog – neerlandeză" lang="nl" hreflang="nl" data-title="Blote oog" data-language-autonym="Nederlands" data-language-local-name="neerlandeză" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Blotte_%C3%B8ye" title="Blotte øye – norvegiană bokmål" lang="nb" hreflang="nb" data-title="Blotte øye" data-language-autonym="Norsk bokmål" data-language-local-name="norvegiană bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%A8%E0%A9%B0%E0%A8%97%E0%A9%80_%E0%A8%85%E0%A9%B1%E0%A8%96" title="ਨੰਗੀ ਅੱਖ – punjabi" lang="pa" hreflang="pa" data-title="ਨੰਗੀ ਅੱਖ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Go%C5%82e_oko" title="Gołe oko – poloneză" lang="pl" hreflang="pl" data-title="Gołe oko" data-language-autonym="Polski" data-language-local-name="poloneză" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9D%D0%B5%D0%B2%D0%BE%D0%BE%D1%80%D1%83%D0%B6%D1%91%D0%BD%D0%BD%D1%8B%D0%B9_%D0%B3%D0%BB%D0%B0%D0%B7" title="Невооружённый глаз – rusă" lang="ru" hreflang="ru" data-title="Невооружённый глаз" data-language-autonym="Русский" data-language-local-name="rusă" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Naked_eye" title="Naked eye – Simple English" lang="en-simple" hreflang="en-simple" data-title="Naked eye" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Blotta_%C3%B6gat" title="Blotta ögat – suedeză" lang="sv" hreflang="sv" data-title="Blotta ögat" data-language-autonym="Svenska" data-language-local-name="suedeză" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9D%D0%B5%D0%BE%D0%B7%D0%B1%D1%80%D0%BE%D1%94%D0%BD%D0%B5_%D0%BE%D0%BA%D0%BE" title="Неозброєне око – ucraineană" lang="uk" hreflang="uk" data-title="Неозброєне око" data-language-autonym="Українська" data-language-local-name="ucraineană" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/M%E1%BA%AFt_th%C6%B0%E1%BB%9Dng" title="Mắt thường – vietnameză" lang="vi" hreflang="vi" data-title="Mắt thường" data-language-autonym="Tiếng Việt" data-language-local-name="vietnameză" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E8%82%89%E7%9C%BC" title="肉眼 – chineză" lang="zh" hreflang="zh" data-title="肉眼" data-language-autonym="中文" data-language-local-name="chineză" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E8%82%89%E7%9C%BC%E8%A7%80%E5%AF%9F" title="肉眼觀察 – cantoneză" lang="yue" hreflang="yue" data-title="肉眼觀察" data-language-autonym="粵語" data-language-local-name="cantoneză" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q506254#sitelinks-wikipedia" title="Modifică legăturile interlinguale" class="wbc-editpage">Modifică legăturile</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Spații de nume"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Ochiul_liber" title="Vedeți conținutul paginii [a]" accesskey="a"><span>Articol</span></a></li><li id="ca-talk" 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typeof="mw:File/Thumb"><a href="/wiki/Fi%C8%99ier:Eye_iris.jpg" class="mw-file-description"><img alt=""a human eye"" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Eye_iris.jpg/220px-Eye_iris.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Eye_iris.jpg/330px-Eye_iris.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/65/Eye_iris.jpg/440px-Eye_iris.jpg 2x" data-file-width="2788" data-file-height="1864" /></a><figcaption>Ochi liber</figcaption></figure> <p><b>Ochiul liber</b> este o <a href="/wiki/Figur%C4%83_de_stil" title="Figură de stil">figură de stil</a> care face referire la <a href="/wiki/V%C4%83z" title="Văz">percepția vizuală</a> umană fără vreun ajutor tehnic, cum ar fi un <a href="/wiki/Telescop" title="Telescop">telescop</a> sau un <a href="/wiki/Microscop" title="Microscop">microscop</a>. Termenul este adesea utilizat în <a href="/wiki/Astronomie" title="Astronomie">astronomie</a> pentru a desemna evenimente care pot fi observate de către marele public / publicul larg. </p><p>Acest tip de activitate este desfășurat de oameni care sunt noi în <a href="/wiki/Astronomie_de_amatori" title="Astronomie de amatori">astronomia de amatori</a>, pentru a învăța <a href="/wiki/Corp_ceresc" title="Corp ceresc">corpurile cerești</a> și principalele <a href="/wiki/Constela%C8%9Bie" title="Constelație">constelații</a>, înainte de a folosi un <a href="/wiki/Binoclu" title="Binoclu">binoclu</a> sau telescoape. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Astronomie">Astronomie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ochiul_liber&veaction=edit&section=1" title="Modifică secțiunea: Astronomie" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ochiul_liber&action=edit&section=1" title="Edit section's source code: Astronomie"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>În general, este posibil să se observe cu <i>ochiul liber</i> obiecte astronomice a căror <a href="/wiki/Magnitudine_aparent%C4%83" title="Magnitudine aparentă">magnitudine aparentă</a> atinge +6. Rezoluția unghiulară a ochiului este de aproximativ 1', dar această valoare diferă între indivizi. </p><p>Dintre obiectele <a href="/wiki/Sistemul_Solar" class="mw-redirect" title="Sistemul Solar">Sistemului Solar</a>, este posibil să vedem cu ochiul liber <a href="/wiki/Soare" title="Soare">Soarele</a>, <a href="/wiki/Luna" title="Luna">Luna</a>, <a href="/wiki/Venus_(planet%C4%83)" class="mw-redirect" title="Venus (planetă)">Venus</a>, <a href="/wiki/Jupiter" title="Jupiter">Jupiter</a>, <a href="/wiki/Marte_(planet%C4%83)" title="Marte (planetă)">Marte</a>, <a href="/wiki/Saturn" title="Saturn">Saturn</a> și <a href="/wiki/Mercur_(planet%C4%83)" title="Mercur (planetă)"> Mercur</a>. Se pare, de asemenea, că unii <a href="/wiki/Astronom" title="Astronom">astronomi</a> au observat cei mai mari <a href="/wiki/Sateli%C8%9Bi_galileeni" class="mw-redirect" title="Sateliți galileeni">sateliți galileeni</a> înainte de invenția telescopului, care pot fi văzuți cu ochiul liber în condiții speciale de observare. <a href="/wiki/Uranus" title="Uranus">Uranus</a> și <a href="/wiki/4_Vesta" title="4 Vesta">Vesta</a> ating uneori o magnitudine aparentă suficientă pentru a fi observabile cu ochiul liber, dar acești aștri nu au fost recunoscuți până la descoperirea lor cu telescopul, deoarece sunt prea slabi, chiar și la luminozitatea maximă, pentru ca mișcarea lor să fie detectată. </p><p>În teorie, un observator ar putea percepe circa 2.500 de stele până la magnitudine +6. În practică, <a href="/w/index.php?title=Extinc%C8%9Bie_(astronomie)&action=edit&redlink=1" class="new" title="Extincție (astronomie) — pagină inexistentă">extincția</a> atmosferică reduce numărul la circa 1.500 – 2.000 (și chiar mai puțin în zonele urbane) de aștri. Este posibil să percepem culoarea celor mai strălucitoare stele; pentru ceilalți aștri, ochiul folosește mai degrabă <a href="/w/index.php?title=Bastona%C8%99_(biologia_ochiului)&action=edit&redlink=1" class="new" title="Bastonaș (biologia ochiului) — pagină inexistentă">bastonașele</a> decât <a href="/w/index.php?title=Con_(biologia_ochiului)&action=edit&redlink=1" class="new" title="Con (biologia ochiului) — pagină inexistentă">conurile</a>, ceea ce nu face posibilă distincția culorii lor. </p><p>Pot fi detectate câteva <a href="/wiki/Roi_stelar" title="Roi stelar">roiuri stelare</a>, cum ar fi <a href="/wiki/Pleiadele" title="Pleiadele">Pleiadele</a>, <a href="/wiki/Roiul_Dublu_din_Perseu" title="Roiul Dublu din Perseu">Roiul Dublu din Perseu</a> sau <a href="/wiki/Messier_13" title="Messier 13">Messier 13</a>. Printre <a href="/wiki/Nebuloas%C4%83" title="Nebuloasă">nebuloasele</a> vizibile cu ochiul liber, putem cita <a href="/wiki/Nebuloasa_Trifid%C4%83" title="Nebuloasa Trifidă">Nebuloasa Trifidă</a> sau <a href="/wiki/Nebuloasa_Orion" title="Nebuloasa Orion">Nebuloasa Orion</a>. De asemenea, este posibil să se perceapă mai multe <a href="/wiki/Galaxie" title="Galaxie">galaxii</a>: <a href="/wiki/Calea_Lactee" title="Calea Lactee">Calea Lactee</a> (în interiorul căreia se află <a href="/wiki/P%C4%83m%C3%A2nt" title="Pământ">Pământul</a>), cei doi <a href="/wiki/Norii_lui_Magellan" title="Norii lui Magellan">nori ai lui Magellan</a>, <a href="/wiki/Galaxia_Andromeda" class="mw-redirect" title="Galaxia Andromeda">Galaxia Andromeda</a> și <a href="/wiki/Galaxia_Triunghiului" title="Galaxia Triunghiului">Galaxia Triunghiului</a>. În plus, <a href="/wiki/Messier_81" title="Messier 81">Messier 81</a> poate fi observat fără un instrument în condiții excepționale de vizibilitate, făcându-l cel mai îndepărtat obiect astronomic care poate fi văzut cu ochiul liber. </p><p>Pe lângă aceste obiecte, este posibil să observăm <a href="/wiki/Meteoroid" title="Meteoroid">meteori</a> și <a href="/wiki/Comet%C4%83" title="Cometă">comete</a> ocazionale, precum și vreo sută <a href="/wiki/Satelit_artificial" title="Satelit artificial">de sateliți artificiali</a>. </p><p>Din punct de vedere istoric, astronomia cu ochiul liber a atins apogeul odată cu lucrările lui <a href="/wiki/Tycho_Brahe" title="Tycho Brahe">Tycho Brahe</a> (1546-1601), care a construit un observator important pentru măsurarea precisă a cerului fără niciun instrument telescopic. În <a href="/wiki/1610" title="1610">1610</a>, <a href="/wiki/Galileo_Galilei" title="Galileo Galilei"> Galileo</a> a fost prima persoană cunoscută care a folosit o <a href="/wiki/Lunet%C4%83_astronomic%C4%83" title="Lunetă astronomică">lunetă astronomică</a> pentru observarea cerească și care și-a publicat descoperirile. </p> <div class="mw-heading mw-heading2"><h2 id="Mici_obiecte_și_hărți"><span id="Mici_obiecte_.C8.99i_h.C4.83r.C8.9Bi"></span>Mici obiecte și hărți</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ochiul_liber&veaction=edit&section=2" title="Modifică secțiunea: Mici obiecte și hărți" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ochiul_liber&action=edit&section=2" title="Edit section's source code: Mici obiecte și hărți"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La o distanță de 20 până la 25 cm, se pot distinge obiecte care măsoară 0,05 mm. Precizia unei măsurători a lungimii depinde de experiență și variază de la 0,1 la 0,3 mm. Această din urmă valoare este utilizată în general ca precizie minimă pentru poziționarea micilor detalii pe hărți sau planuri. </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ochiul_liber&veaction=edit&section=3" title="Modifică secțiunea: Note" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ochiul_liber&action=edit&section=3" title="Edit section's source code: Note"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><br /> </p> <div class="mw-heading mw-heading2"><h2 id="Vezi_și"><span id="Vezi_.C8.99i"></span>Vezi și</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ochiul_liber&veaction=edit&section=4" title="Modifică secțiunea: Vezi și" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ochiul_liber&action=edit&section=4" title="Edit section's source code: Vezi și"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Ochi" title="Ochi">Ochi</a></li> <li><a href="/wiki/V%C4%83z" title="Văz">Văz</a></li> <li><a href="/wiki/Instrument_optic" title="Instrument optic">Instrument optic</a></li></ul> <div class="noprint" style="background-color: #F5F5F5; border: 1px solid #ccc; clear: both; margin-left: 0px; margin-top: 1em; padding: 4px; text-align: center; font-size: 95%; -moz-border-radius: 0.8em; -webkit-border-radius: 0.8em; border-radius:0.8em;"> <ul><li style="display:inline; white-space:nowrap;"><span style="margin:auto 1.5em; margin-right:0.5em;"><span typeof="mw:File"><a href="/wiki/Portal:Astronomie" title="Portal:Astronomie"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/M104_-_Sombrero.jpg/28px-M104_-_Sombrero.jpg" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/M104_-_Sombrero.jpg/42px-M104_-_Sombrero.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1b/M104_-_Sombrero.jpg/56px-M104_-_Sombrero.jpg 2x" data-file-width="4961" data-file-height="4961" /></a></span></span><span style="font-weight:bold;"><i><b><a href="/wiki/Portal:Astronomie" title="Portal:Astronomie">Portal astronomie</a></b></i></span></li></ul> </div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Adus de la <a dir="ltr" href="https://ro.wikipedia.org/w/index.php?title=Ochiul_liber&oldid=15106115">https://ro.wikipedia.org/w/index.php?title=Ochiul_liber&oldid=15106115</a></div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categorii" title="Special:Categorii">Categorie</a>: <ul><li><a href="/wiki/Categorie:Astronomie_observa%C8%9Bional%C4%83" title="Categorie:Astronomie observațională">Astronomie observațională</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Ultima editare a paginii a fost efectuată la 17 septembrie 2022, ora 11:55.</li> <li id="footer-info-copyright">Acest text este disponibil sub licența <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.ro">Creative Commons cu atribuire și distribuire în condiții identice</a>; pot exista și clauze suplimentare. 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