{"id":1841,"date":"2026-03-04T15:41:10","date_gmt":"2026-03-04T15:41:10","guid":{"rendered":"https:\/\/gianlucamasi.it\/?page_id=1841"},"modified":"2026-03-31T15:49:12","modified_gmt":"2026-03-31T15:49:12","slug":"capitolo-4-immagini","status":"publish","type":"page","link":"https:\/\/gianlucamasi.it\/?page_id=1841","title":{"rendered":"Capitolo 4: I protagonisti"},"content":{"rendered":"<p style=\"text-align: center;\"><em>Cliccando sulle immagini viene visualizzata<br \/>\nla versione ad alta risoluzione in una nuova finestra<\/em><\/p>\n<figure id=\"attachment_1844\" aria-describedby=\"caption-attachment-1844\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/01_LawsObservatoryMerz190mm.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1844\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/01_LawsObservatoryMerz190mm.jpg\" alt=\"&lt;b&gt;1. Il telescopio Merz da 190 millimetri del Laws Observatory.&lt;\/b&gt;\" width=\"700\" height=\"513\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/01_LawsObservatoryMerz190mm.jpg 1078w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/01_LawsObservatoryMerz190mm-300x220.jpg 300w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/01_LawsObservatoryMerz190mm-1024x750.jpg 1024w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/01_LawsObservatoryMerz190mm-768x563.jpg 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1844\" class=\"wp-caption-text\"><b>1. Il telescopio Merz da 190 millimetri del Laws Observatory.<\/b><\/figcaption><\/figure>\n<figure id=\"attachment_1883\" aria-describedby=\"caption-attachment-1883\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/01b_GeorgeRitcheyYerkes.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1883\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/01b_GeorgeRitcheyYerkes.jpg\" alt=\"&lt;b&gt;2. George Ritchey al rifrattore da 40 pollici (102 cm) dello Yerkes Observatory, circa 1900.&lt;\/b&gt;\" width=\"800\" height=\"635\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/01b_GeorgeRitcheyYerkes.jpg 1046w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/01b_GeorgeRitcheyYerkes-300x238.jpg 300w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/01b_GeorgeRitcheyYerkes-1024x813.jpg 1024w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/01b_GeorgeRitcheyYerkes-768x609.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><figcaption id=\"caption-attachment-1883\" class=\"wp-caption-text\"><b>2. George Ritchey al rifrattore da 40 pollici (102 cm) dello Yerkes Observatory, circa 1900.<\/b><\/figcaption><\/figure>\n<figure id=\"attachment_1847\" aria-describedby=\"caption-attachment-1847\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/02_HarlowMarthaWedding.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1847\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/02_HarlowMarthaWedding.jpg\" alt=\"&lt;b&gt;3. Harlow Shapley e Martha Betz in giorno delle nozze, 15 aprile 1914.&lt;\/b&gt;\" width=\"700\" height=\"714\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/02_HarlowMarthaWedding.jpg 1000w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/02_HarlowMarthaWedding-294x300.jpg 294w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/02_HarlowMarthaWedding-768x783.jpg 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1847\" class=\"wp-caption-text\"><b>3. Harlow Shapley e Martha Betz in giorno delle nozze, 15 aprile 1914.<\/b><\/figcaption><\/figure>\n<figure id=\"attachment_1848\" aria-describedby=\"caption-attachment-1848\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/03_HenryRussell.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1848\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/03_HenryRussell.jpg\" alt=\"&lt;b&gt;4. Henry Norris Russell.&lt;\/b&gt;\" width=\"700\" height=\"907\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/03_HenryRussell.jpg 772w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/03_HenryRussell-232x300.jpg 232w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/03_HenryRussell-768x995.jpg 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1848\" class=\"wp-caption-text\"><b>4. Henry Norris Russell.<\/b><\/figcaption><\/figure>\n<figure id=\"attachment_1850\" aria-describedby=\"caption-attachment-1850\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/04_Halsted_observatory_ca1860.webp\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1850\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/04_Halsted_observatory_ca1860.webp\" alt=\"&lt;b&gt;5. L'Halsted Observatory della Princeton University intorno al 1860.&lt;\/b&gt;\" width=\"700\" height=\"578\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/04_Halsted_observatory_ca1860.webp 606w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/04_Halsted_observatory_ca1860-300x248.webp 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1850\" class=\"wp-caption-text\"><b>5. L&#8217;Halsted Observatory della Princeton University intorno al 1860.<\/b><\/figcaption><\/figure>\n<figure id=\"attachment_1854\" aria-describedby=\"caption-attachment-1854\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/05_Assembled_60inch_telescope_tube_on_truck_for_transport_to_Mount_Wilson_Observatory.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1854\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/05_Assembled_60inch_telescope_tube_on_truck_for_transport_to_Mount_Wilson_Observatory.jpg\" alt=\"&lt;b&gt;6. Il telescopi da 60 pollici (152 cm) viene trasportato a Mount Wilson, 1907.&lt;\/b&gt;\" width=\"700\" height=\"515\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/05_Assembled_60inch_telescope_tube_on_truck_for_transport_to_Mount_Wilson_Observatory.jpg 1024w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/05_Assembled_60inch_telescope_tube_on_truck_for_transport_to_Mount_Wilson_Observatory-300x221.jpg 300w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/05_Assembled_60inch_telescope_tube_on_truck_for_transport_to_Mount_Wilson_Observatory-768x566.jpg 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1854\" class=\"wp-caption-text\"><b>6. Il telescopi da 60 pollici (152 cm) viene trasportato a Mount Wilson, 1907.<\/b><\/figcaption><\/figure>\n<figure id=\"attachment_1855\" aria-describedby=\"caption-attachment-1855\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/06_DistribuzioneGlobulariShapley1918.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1855\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/06_DistribuzioneGlobulariShapley1918.jpg\" alt=\"&lt;b&gt;7. Distribuzione degli ammassi globulari sopra e sotto il piano galattico, principalmente verso Sagittarius (325\u00b0 di longitudine galattica, scala esterna). Il Sole \u00e8 all'origine del sistema di coordinate. Shapley 1918.&lt;\/b&gt;\" width=\"700\" height=\"698\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/06_DistribuzioneGlobulariShapley1918.jpg 1514w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/06_DistribuzioneGlobulariShapley1918-300x300.jpg 300w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/06_DistribuzioneGlobulariShapley1918-1024x1021.jpg 1024w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/06_DistribuzioneGlobulariShapley1918-150x150.jpg 150w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/06_DistribuzioneGlobulariShapley1918-768x766.jpg 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1855\" class=\"wp-caption-text\"><b>7. Distribuzione degli ammassi globulari sopra e sotto il piano galattico, principalmente verso Sagittarius (325\u00b0 di longitudine galattica, scala esterna). Il Sole \u00e8 all&#8217;origine del sistema di coordinate. Shapley 1918.<\/b><\/figcaption><\/figure>\n<figure id=\"attachment_1858\" aria-describedby=\"caption-attachment-1858\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/07_RelazionePeriodoLuminositaShapley.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1858\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/07_RelazionePeriodoLuminositaShapley.jpg\" alt=\"&lt;b&gt;8. La relazione periodo-luminosit\u00e0 per le Cefeidi calibrata ed utilizzata da Shapley, 1918.&lt;\/b&gt;\" width=\"700\" height=\"636\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/07_RelazionePeriodoLuminositaShapley.jpg 1826w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/07_RelazionePeriodoLuminositaShapley-300x273.jpg 300w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/07_RelazionePeriodoLuminositaShapley-1024x931.jpg 1024w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/07_RelazionePeriodoLuminositaShapley-768x698.jpg 768w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/07_RelazionePeriodoLuminositaShapley-1536x1396.jpg 1536w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1858\" class=\"wp-caption-text\"><b>8. La relazione periodo-luminosit\u00e0 per le Cefeidi calibrata ed utilizzata da Shapley, 1918.<\/b><\/figcaption><\/figure>\n<figure id=\"attachment_1860\" aria-describedby=\"caption-attachment-1860\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/08_HarlowShapley.webp\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1860\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/08_HarlowShapley.webp\" alt=\"&lt;b&gt;9. Harlow Shapley al celebre tavolo dodecagonale rotante all'Harvard College Observatory, circa 1940.&lt;\/b&gt;\" width=\"700\" height=\"558\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/08_HarlowShapley.webp 1500w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/08_HarlowShapley-300x239.webp 300w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/08_HarlowShapley-1024x816.webp 1024w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/08_HarlowShapley-768x612.webp 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1860\" class=\"wp-caption-text\"><b>9. Harlow Shapley al celebre tavolo dodecagonale rotante all&#8217;Harvard College Observatory, circa 1940.<\/b><\/figcaption><\/figure>\n<figure id=\"attachment_1862\" aria-describedby=\"caption-attachment-1862\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/09_CurtisCrossley.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1862\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/09_CurtisCrossley.jpg\" alt=\"&lt;b&gt;10. Heber Curtis all'oculare del riflettore &quot;Crossley&quot; da 91 cm del Lick Observatory.&lt;\/b&gt;\" width=\"700\" height=\"1213\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/09_CurtisCrossley.jpg 1154w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/09_CurtisCrossley-173x300.jpg 173w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/09_CurtisCrossley-591x1024.jpg 591w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/09_CurtisCrossley-768x1331.jpg 768w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/09_CurtisCrossley-886x1536.jpg 886w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1862\" class=\"wp-caption-text\"><b>10. Heber Curtis all&#8217;oculare del riflettore &#8220;Crossley&#8221; da 91 cm del Lick Observatory.<\/b><\/figcaption><\/figure>\n<figure id=\"attachment_1871\" aria-describedby=\"caption-attachment-1871\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/10_LickRefractor.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1871\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/10_LickRefractor.jpg\" alt=\"&lt;b&gt;11. Il rifrattore da 91 cm del Lick Observatory.&lt;\/b&gt;\" width=\"700\" height=\"879\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/10_LickRefractor.jpg 1000w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/10_LickRefractor-239x300.jpg 239w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/10_LickRefractor-815x1024.jpg 815w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/10_LickRefractor-768x965.jpg 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1871\" class=\"wp-caption-text\"><b>11. Il rifrattore da 91 cm del Lick Observatory.<\/b><\/figcaption><\/figure>\n<figure id=\"attachment_1873\" aria-describedby=\"caption-attachment-1873\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/11_AbsorbingMatterCurtis.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1873\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/11_AbsorbingMatterCurtis.jpg\" alt=\"&lt;b&gt;12. Evidenza di &quot;materia assorbente&quot; in alcune spirali viste di taglio. Curtis, 1917.&lt;\/b&gt;\" width=\"700\" height=\"861\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/11_AbsorbingMatterCurtis.jpg 1334w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/11_AbsorbingMatterCurtis-244x300.jpg 244w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/11_AbsorbingMatterCurtis-833x1024.jpg 833w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/11_AbsorbingMatterCurtis-768x944.jpg 768w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/11_AbsorbingMatterCurtis-1249x1536.jpg 1249w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1873\" class=\"wp-caption-text\"><b>12. Evidenza di &#8220;materia assorbente&#8221; in alcune spirali viste di taglio. Curtis, 1917.<\/b><\/figcaption><\/figure>\n<figure id=\"attachment_1916\" aria-describedby=\"caption-attachment-1916\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC891_29dec2024_pw17_masi.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1916\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC891_29dec2024_pw17_masi-scaled.jpg\" alt=\"&lt;b&gt;13. La galassia NGC 891 e la sua notevole banda di polveri, ripresa da Gianluca Masi.&lt;\/b&gt;\" width=\"700\" height=\"505\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC891_29dec2024_pw17_masi-scaled.jpg 2560w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC891_29dec2024_pw17_masi-300x216.jpg 300w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC891_29dec2024_pw17_masi-1024x739.jpg 1024w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC891_29dec2024_pw17_masi-768x554.jpg 768w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC891_29dec2024_pw17_masi-1536x1108.jpg 1536w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC891_29dec2024_pw17_masi-2048x1477.jpg 2048w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1916\" class=\"wp-caption-text\"><b>13. La galassia NGC 891 e la sua notevole banda di polveri, ripresa da Gianluca Masi.<\/b><\/figcaption><\/figure>\n<figure id=\"attachment_1918\" aria-describedby=\"caption-attachment-1918\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC4594_m104_masi_c14_24apr2025.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1918\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC4594_m104_masi_c14_24apr2025.jpg\" alt=\"&lt;b&gt;14. NGC 4594, conosciuta anche come Messier 104 e soprannominata &quot;Sombrero&quot;, esibisce la sua vistosa banda equatoriale di polveri.&lt;\/b&gt;\" width=\"700\" height=\"513\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC4594_m104_masi_c14_24apr2025.jpg 2196w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC4594_m104_masi_c14_24apr2025-300x220.jpg 300w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC4594_m104_masi_c14_24apr2025-1024x751.jpg 1024w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC4594_m104_masi_c14_24apr2025-768x563.jpg 768w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC4594_m104_masi_c14_24apr2025-1536x1126.jpg 1536w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/NGC4594_m104_masi_c14_24apr2025-2048x1501.jpg 2048w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1918\" class=\"wp-caption-text\"><b>14. NGC 4594, conosciuta anche come Messier 104 e soprannominata &#8220;Sombrero&#8221;, esibisce la sua vistosa banda equatoriale di polveri.<\/b><\/figcaption><\/figure>\n<p><figure id=\"attachment_1876\" aria-describedby=\"caption-attachment-1876\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/12_NovaeM100Curtis.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1876\" src=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/12_NovaeM100Curtis.jpg\" alt=\"&lt;b&gt;15. Due &lt;i&gt;novae&lt;\/i&gt; nella galassia NGC 4321 (M 100). Curtis, 1917 [invero, due &lt;i&gt;supernovae&lt;\/i&gt;, ndr].&lt;\/b&gt;\" width=\"700\" height=\"487\" srcset=\"https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/12_NovaeM100Curtis.jpg 1319w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/12_NovaeM100Curtis-300x209.jpg 300w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/12_NovaeM100Curtis-1024x713.jpg 1024w, https:\/\/gianlucamasi.it\/wp-content\/uploads\/2026\/03\/12_NovaeM100Curtis-768x535.jpg 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><figcaption id=\"caption-attachment-1876\" class=\"wp-caption-text\"><b>15. Due <i>novae<\/i> nella galassia NGC 4321 (M 100). Curtis, 1917 [invero, due <i>supernovae<\/i>, ndr].<\/b><\/figcaption><\/figure><a href=\"https:\/\/gianlucamasi.it\/?page_id=1547\"><strong>Torna a \u201cQuando l\u2019universo divent\u00f2 infinito&#8221;<\/strong><\/a><\/p>\n<h6><em>Crediti<\/em><\/h6>\n<ol>\n<li>\n<h6><em><a href=\"https:\/\/yerkesobservatory.org\/about\/legacy\/\" target=\"_blank\" rel=\"noopener\">Yerkes Observatory<\/a>;<\/em><\/h6>\n<\/li>\n<li>\n<h6><em><a href=\"https:\/\/physics.missouri.edu\/laws-observatory\" target=\"_blank\" rel=\"noopener\">University of Missouri<\/a>;<\/em><\/h6>\n<\/li>\n<li>\n<h6><em><a href=\"https:\/\/harlowshapley.org\/blog\/martha-betz-shapley\" target=\"_blank\" rel=\"noopener\">Harlow Shapley Project<\/a>;<\/em><\/h6>\n<\/li>\n<li>\n<h6><em><a href=\"https:\/\/photoarchive.lib.uchicago.edu\/db.xqy?one=apf6-04194.xml\" target=\"_blank\" rel=\"noopener\">University of Chicago<\/a>;<\/em><\/h6>\n<\/li>\n<li>\n<h6><em><a href=\"https:\/\/universityarchives.princeton.edu\/2018\/12\/this-week-in-princeton-history-for-december-3-9\/\" target=\"_blank\" rel=\"noopener\">Princeton University<\/a>;<\/em><\/h6>\n<\/li>\n<li>\n<h6><em><a href=\"https:\/\/www.mtwilson.edu\/building-the-60-inch-telescope\/\" target=\"_blank\" rel=\"noopener\">Mount Wilson Observatory<\/a>;<\/em><\/h6>\n<\/li>\n<li>\n<h6><em><a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/1918CMWCI.152....1S\/abstract\" target=\"_blank\" rel=\"noopener\">The Astrophysical Journal<\/a>;<\/em><\/h6>\n<\/li>\n<li>\n<h6><em><a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/1918ApJ....48...89S\/abstract\" target=\"_blank\" rel=\"noopener\">The Astrophysical Journal<\/a>;<\/em><\/h6>\n<\/li>\n<li>\n<h6><em><a href=\"https:\/\/repository.aip.org\/node\/29217\" target=\"_blank\" rel=\"noopener\">AIP Emilio Segr\u00e8 Visual Archives, Shapley Collection<\/a>;<\/em><\/h6>\n<\/li>\n<li>\n<h6><em><a href=\"https:\/\/repository.aip.org\/node\/118651\" target=\"_blank\" rel=\"noopener\">AIP Emilio Segr\u00e8 Visual Archives, Shapley Collection<\/a>;<\/em><\/h6>\n<\/li>\n<li>\n<h6><em><a href=\"https:\/\/guides.library.ucsc.edu\/digitalcollections\" target=\"_blank\" rel=\"noopener\">The UC Santa Cruz Library\u2019s Digital Collections<\/a>;<\/em><\/h6>\n<\/li>\n<li>\n<h6><em><a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/1917PASP...29...91C\/abstract\" target=\"_blank\" rel=\"noopener\">Publications of the Astronomical Society of the Pacific<\/a>;<\/em><\/h6>\n<\/li>\n<li>\n<h6><a href=\"https:\/\/www.virtualtelescope.eu\/2025\/01\/15\/ngc-891-spiral-galaxy-an-image-29-dec-2024\/\" target=\"_blank\" rel=\"noopener\"><em>The Virtual Telescope Project<\/em><\/a>;<\/h6>\n<\/li>\n<li>\n<h6><em><a href=\"https:\/\/catalog.hathitrust.org\/Record\/007023961\" target=\"_blank\" rel=\"noopener\">Lick Observatory Bulletins.<\/a><\/em><\/h6>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Cliccando sulle immagini viene visualizzata la versione ad alta risoluzione in una nuova finestra Torna a \u201cQuando l\u2019universo divent\u00f2 infinito&#8221; Crediti Yerkes Observatory; University of&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/gianlucamasi.it\/?page_id=1841\">Leggi tutto<span class=\"screen-reader-text\">Capitolo 4: I protagonisti<\/span><\/a><\/div>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-1841","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/gianlucamasi.it\/index.php?rest_route=\/wp\/v2\/pages\/1841","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gianlucamasi.it\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gianlucamasi.it\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gianlucamasi.it\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/gianlucamasi.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1841"}],"version-history":[{"count":21,"href":"https:\/\/gianlucamasi.it\/index.php?rest_route=\/wp\/v2\/pages\/1841\/revisions"}],"predecessor-version":[{"id":2022,"href":"https:\/\/gianlucamasi.it\/index.php?rest_route=\/wp\/v2\/pages\/1841\/revisions\/2022"}],"wp:attachment":[{"href":"https:\/\/gianlucamasi.it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}