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      <title>L’ASTRONOMIA by Davide Ferri</title>
      <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz</link>
      <description>Per imparare la storia dell’astronomia</description>
      <language>en-us</language>
      <pubDate>2022-03-13 09:53:17 UTC</pubDate>
      <lastBuildDate>2024-02-05 17:25:35 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>550 a.C.</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092187843</link>
         <description><![CDATA[<div><strong>Anassimandro di Mileto</strong> compie uno dei primi tentativi di <strong>spiegazione scientifica </strong>dell’universo.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-13 09:57:46 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092187843</guid>
      </item>
      <item>
         <title>530 a.C.</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092189348</link>
         <description><![CDATA[<div><strong>Pitagora</strong> istituisce a Crotone una scuola che promuove l’idea di un cosmo in cui i corpi si muovono in&nbsp;<strong>cerchi perfetti.</strong></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-13 10:00:16 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092189348</guid>
      </item>
      <item>
         <title>350 a.C.</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092191725</link>
         <description><![CDATA[<div>Nella sua opera “<strong>sul cielo”, </strong>Aristotele delinea un <strong>modello geocentrico</strong> dell’universo.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-13 10:04:15 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092191725</guid>
      </item>
      <item>
         <title>220 a.C.</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092193204</link>
         <description><![CDATA[<div><strong>Aristarco di Samo </strong>propone un <strong>modello eliocentrico</strong> dell’universo, ma la sua idea non si diffonde.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-13 10:06:53 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092193204</guid>
      </item>
      <item>
         <title>200 a.C.</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092196299</link>
         <description><![CDATA[<div>Ad Alessandria,&nbsp;<strong>Eratostene</strong>&nbsp;misura la circonferenza della Terra e stima la distanza dal Sole.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-13 10:11:44 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092196299</guid>
      </item>
      <item>
         <title>150 d.C.</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092199619</link>
         <description><![CDATA[<div><strong>Tolomeo </strong>scrive l’<strong><em>Almagesto </em></strong>in cui espone un modello geocentrico dell’universo che incontra ampia diffusione.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-13 10:16:50 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092199619</guid>
      </item>
      <item>
         <title>499 d.C.</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092202117</link>
         <description><![CDATA[<div>Nell’<strong><em>Aryabhatiya, </em></strong>l’astronomo indiano <strong>Aryabhata </strong>ipotizza che le stelle si spostino nel cielo perchè la Terra <strong>ruota</strong>.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-13 10:21:29 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092202117</guid>
      </item>
      <item>
         <title>1025 d.C.</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092203990</link>
         <description><![CDATA[<div>Lo studioso arabo <strong>Ibn al-Haytham </strong>scrive un’opera che critica il modello di Tolomeo a causa della sua complessità.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-13 10:24:46 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092203990</guid>
      </item>
      <item>
         <title>1279</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092206836</link>
         <description><![CDATA[<div>L’astronomo cinese&nbsp;<strong>&nbsp;Guo Shoujing&nbsp;</strong>calcola una misurazione precisa della durata dell’<strong>anno solare</strong>.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-13 10:29:26 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092206836</guid>
      </item>
      <item>
         <title>1437</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092208541</link>
         <description><![CDATA[<div>Il sovrano mongolo&nbsp;<strong>Ulugh Beg&nbsp;</strong>corregge molte posizioni delle stelle reperibili nell’<em>Almagesto.</em></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-13 10:32:28 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092208541</guid>
      </item>
      <item>
         <title>1543</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092210222</link>
         <description><![CDATA[<div>Viene pubblicato il libro <strong>De Revolutionibus orbium coelostium </strong>di <strong>Niccolò Copernico, </strong>che delinea un cosmo eliocentrico.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-13 10:35:04 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2092210222</guid>
      </item>
      <item>
         <title>1576</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100708796</link>
         <description><![CDATA[<div><strong>Tycho Brahe </strong>costruisce un grande osservatorio sull’isola di Hven, da dove compie osservazioni per 20 anni.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-17 19:41:02 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100708796</guid>
      </item>
      <item>
         <title>1600</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100712274</link>
         <description><![CDATA[<div>Il frate italiano&nbsp;<strong>Giordano Bruno&nbsp;</strong>viene arso sul rogo per eresia, dopo aver espresso&nbsp; l’opinione secondo cui&nbsp;<strong>Sole e Terra non sono centrali </strong>né speciali nell’universo.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-17 19:43:42 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100712274</guid>
      </item>
      <item>
         <title>1608</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100714433</link>
         <description><![CDATA[<div>Il fabbricante di lenti olandese&nbsp;<strong>Hans Lippershey&nbsp;</strong>presenta domanda di brevetto per un&nbsp;<strong>cannocchiale a tre ingrandimenti</strong>.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-17 19:45:30 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100714433</guid>
      </item>
      <item>
         <title>1610</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100717202</link>
         <description><![CDATA[<div>Usando un cannocchiale a 33 ingrandimenti,&nbsp;<strong>Galileo Galilei&nbsp;</strong>scopre&nbsp;<strong>quattro satelliti</strong> in orbita attorno a Giove&nbsp;<br>(lune galileiane).</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-17 19:47:52 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100717202</guid>
      </item>
      <item>
         <title>1619</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100719588</link>
         <description><![CDATA[<div><strong>Keplero&nbsp;</strong>con le sue tre leggi del moto planetario descrive le&nbsp;<strong>orbite ellittiche </strong>dei pianeti.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-17 19:50:03 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100719588</guid>
      </item>
      <item>
         <title>1639</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100721922</link>
         <description><![CDATA[<div>L’astronomo irlandese&nbsp;<strong>Jeremiha Horrocks&nbsp;</strong>osserva il&nbsp;<strong>transito di Venere </strong>davanti alla superficie del Sole.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-17 19:51:56 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100721922</guid>
      </item>
      <item>
         <title>1659</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100724196</link>
         <description><![CDATA[<div>L’astronomo olandese&nbsp;<strong>Christiaan Huygens </strong>descrive per la prima volta la forma degli anelli di Saturno.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-17 19:53:48 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100724196</guid>
      </item>
      <item>
         <title>1675</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100727237</link>
         <description><![CDATA[<div><strong>Giovanni Domenico Cassini&nbsp;</strong>nota una&nbsp;<strong>dicontinuità negli anelli di&nbsp; &nbsp;<br>Saturno </strong>e deduce correttamente che gli anelli non sono solidi.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-17 19:56:10 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100727237</guid>
      </item>
      <item>
         <title>1676</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100729676</link>
         <description><![CDATA[<div>Il danese&nbsp;<strong>Ole Rømer&nbsp;</strong>misura la&nbsp;<strong>velocità della luce </strong>osservando le eclissi di Io, satellite di Giove.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-17 19:58:16 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100729676</guid>
      </item>
      <item>
         <title>1687</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100731930</link>
         <description><![CDATA[<div><strong>Isaac Newton&nbsp;</strong>pubblica i&nbsp;<em>Principia</em>, in cui espone la sua&nbsp;<strong>legge di gravitazione universale</strong>.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-17 20:00:14 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100731930</guid>
      </item>
      <item>
         <title>1705</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100733639</link>
         <description><![CDATA[<div>L’astronomo inglese&nbsp;<strong>Edmond Halley&nbsp;</strong>prevede il ritorno della&nbsp;<strong>cometa </strong>che oggi reca il suo nome.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-17 20:01:46 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100733639</guid>
      </item>
      <item>
         <title>1725</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100735426</link>
         <description><![CDATA[<div><strong>James Bradley&nbsp;</strong>dimostra che la&nbsp;<strong>Terra si muove&nbsp;</strong>spiegando un effetto chiamato&nbsp;<strong>aberrazione astronomica</strong>.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-03-17 20:03:28 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2100735426</guid>
      </item>
      <item>
         <title>1771</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165715064</link>
         <description><![CDATA[<div>L’astronomo francese&nbsp;<strong>Charles Messier</strong> compila un elenco di 103&nbsp;<strong>nebulose </strong>conosciute.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-05-01 10:55:14 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165715064</guid>
      </item>
      <item>
         <title>1781</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165715922</link>
         <description><![CDATA[<div><strong>William Herschel&nbsp;</strong>scopre <strong>Urano, </strong>ritenendo inizialmente di avere individuato una nuova cometa.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-05-01 10:57:57 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165715922</guid>
      </item>
      <item>
         <title>1783</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165717176</link>
         <description><![CDATA[<div>L’ecclesiastico inglese <strong>John Mitchell</strong> espone per primo il concetto di <strong>buchi neri</strong> da lui chiamati “stelle scure”.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-05-01 11:00:57 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165717176</guid>
      </item>
      <item>
         <title>1786</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165717823</link>
         <description><![CDATA[<div><strong>Pierre-Simon de Laplace</strong> formula la teoria secondo cui il sistema solare si sia formato da una <strong>massa di gas in rotazione</strong>.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-05-01 11:02:56 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165717823</guid>
      </item>
      <item>
         <title>1794</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165718541</link>
         <description><![CDATA[<div><strong>Ernst Chladni</strong> studia le testimonianze di meteoriti e ne deduce che dallo spazio cadono <strong>pezzi di roccia e metallo</strong>.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-05-01 11:05:13 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165718541</guid>
      </item>
      <item>
         <title>1801</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165719912</link>
         <description><![CDATA[<div><strong>Giuseppe Piazzi </strong>scopre <strong>Cerere</strong> il pianetino più grande nella fascia degli asteroidi.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-05-01 11:09:21 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165719912</guid>
      </item>
      <item>
         <title>1809</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165721827</link>
         <description><![CDATA[<div>L’astronomo francese <strong>Jean Baptiste Joseph Delambre</strong> calcola una valida stima della <strong>velocità della luce</strong>.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-05-01 11:14:38 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2165721827</guid>
      </item>
      <item>
         <title>1833</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2217667625</link>
         <description><![CDATA[<div><strong>John Herschel </strong>avvia una catalogazione completa del <strong>cielo australe</strong> per integrare quella del cielo boreale compiuta da suo padre.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-06-10 16:33:06 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2217667625</guid>
      </item>
      <item>
         <title>1838</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2217672360</link>
         <description><![CDATA[<div>Il tedesco <strong>Frederic Bessel</strong> misura con successo la <strong>parallasse stellare</strong> della stella 61 Cyngi ottenendo una buona approssimazione della sua distanza dalla terra.</div>]]></description>
         <enclosure url="" />
         <pubDate>2022-06-10 16:39:09 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2217672360</guid>
      </item>
      <item>
         <title>1845</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2217676413</link>
         <description><![CDATA[<div><strong>Lord Rosse</strong> esegue un disegno della nebulosa M51, ora chiamata galassia Vortice, mostrandone la <strong>struttura a spirale.</strong></div>]]></description>
         <enclosure url="" />
         <pubDate>2022-06-10 16:44:31 UTC</pubDate>
         <guid>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2217676413</guid>
      </item>
      <item>
         <title>1846</title>
         <author>davideferri1</author>
         <link>https://padlet.com/davideferri1/79cvnzboq0xdzvzz/wish/2217677510</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2022-06-10 16:46:00 UTC</pubDate>
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