{"id":26035,"date":"2011-03-29T08:04:00","date_gmt":"2011-03-29T08:04:00","guid":{"rendered":""},"modified":"2020-09-25T09:39:53","modified_gmt":"2020-09-25T09:39:53","slug":"celsius-anders-1701-1744-2","status":"publish","type":"post","link":"https:\/\/rubyskynews.com\/index.php\/2011\/03\/29\/celsius-anders-1701-1744-2\/","title":{"rendered":"Celsius Anders (1701-1744)"},"content":{"rendered":"<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div><div style=\"font-family: Times,&quot;Times New Roman&quot;,serif;\"><\/div>\n<div class=\"MsoTitle\" style=\"font-family: Times,&quot;Times New Roman&quot;,serif; text-align: justify;\"><span style=\"font-size: small;\"><span lang=\"FR\" style=\"font-weight: normal;\">Fizician si astronom suedez, cunoscut mai mai ales pentru introducerea scarii termometrice, care-i poarta numele. S-a nascut la Uppsala, Suedia, pe data de 27 noiembrie 1701, tatal sau fiind profesor de astronomie la universitatea din oras.Pasind pe urmele tatalui sau, acesta a studiat astronomia, matematica si fizica experimentala.Dupa ce a predat mai multi ani matematica la universitate el a fost numit profesor de astronomie la Universitatea Uppsala.Intre anii 1732 si 1736 a calatorit mult si a vizitat observatoarele astronomice din alte tari.A stabilit contacte cu astronomi din Berlin,Nurnberg(unde in 1733 a publicat o serie de observatii despre aurora boreala) dupa care a vizitat Italia si apoi Franta.La Paris a luat legatura cu Maupertius care tocmai prefatea o expeditie stiintifica pentru masurarea unui grad al meridianului Pamantului dincolo de cercul polar, pentru a verifica teoria lui Newton conform careia ,Pamantul trebuie sa fie turtit la poli si falsitatea punctului de vedere cartezian care sustinea contrariul.Celsius s-a alaturat acestei expeditii si a participat activ la pregatirea acesteia. Astfel in 1735 el a mers la Londra&nbsp; pt. A procura instrumentele necesare, iar intre 1736-1737 el l-a insotit, in calitate de astrolog pe Maupertius, in Laponia.<\/span><\/span><\/div>\n<div class=\"MsoTitle\" style=\"font-family: Times,&quot;Times New Roman&quot;,serif; text-align: justify;\"><span style=\"font-size: small;\"><span lang=\"FR\" style=\"font-weight: normal;\">Reintors la Uppsala, el s-a ocupat de construirea si dotarea noului observator astronomic, primul de acest fel din Suedia, care a fost gata in1742.<\/span><\/span><\/div>\n<div class=\"MsoTitle\" style=\"font-family: Times,&quot;Times New Roman&quot;,serif; text-align: justify;\"><span style=\"font-size: small;\"><span lang=\"FR\" style=\"font-weight: normal;\">Celsius a murit in aprilie pe 25 (1744) la Uppsala atunci cand avea numai 42 de ani(si 5 luni). Cu toate ca a murit relativ tanar, el a adus contributii importante in stiinta&nbsp;: a fost primul care a reusit sa masoare magnitudinea stelelor din constelatia Aries, utilizand o metoda fotometrica \u2013 filtrarea luminii prin placi de sticla (1740)&nbsp;; a facut studii bazate pe masuratori privind scaderea nivelului apei Marii Baltice&nbsp;; a scris o lucrare in care a determinat cu acuratete configuratia si dimensiunile Pamantului&nbsp;; a observat variatiile diurne ale declinatiei magnetice (1740)si perturbatiile produse de aurorele boreale. Dar cea mai cunoscuta realizare a sa estecrearea scarii termometrice de 100 de grade, bazata pe&nbsp; alegerea a doua puncte naturale fixe de temperatura (la presiune atmosferica normala)punctul de topire al ghetii fiind notat cu 0 grade C , iar punctul de fierbere al apei de 100 grade C- lucrarea a fost prezentata Academiei suedeze in 1742.<\/span><\/span><\/div>\n<div class=\"MsoTitle\" style=\"font-family: Times,&quot;Times New Roman&quot;,serif; text-align: justify;\"><span style=\"font-size: small;\"><span lang=\"FR\" style=\"font-weight: normal;\">Initial Celsius notase punctul de fierbere al apei cu 0 grade si cel de topire cu 100 grade.Inversiunea a fost facuta ulterior de discipolul sau Martin Stromer. <\/span><\/span><\/div>\n<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div>","protected":false},"excerpt":{"rendered":"<p>Fizician si astronom suedez, cunoscut mai mai ales pentru introducerea scarii termometrice, care-i poarta numele. S-a nascut la Uppsala, Suedia, pe data de 27 noiembrie 1701, tatal sau fiind profesor de astronomie la universitatea din oras.Pasind pe urmele tatalui sau, acesta a studiat astronomia, matematica si fizica experimentala.Dupa ce a predat mai multi ani matematica [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Celsius Anders (1701-1744) - Jobs\/ Internships\/ Scholarships\/<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rubyskynews.com\/index.php\/2011\/03\/29\/celsius-anders-1701-1744-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Celsius Anders (1701-1744) - Jobs\/ Internships\/ Scholarships\/\" \/>\n<meta property=\"og:description\" content=\"Fizician si astronom suedez, cunoscut mai mai ales pentru introducerea scarii termometrice, care-i poarta numele. 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