{"id":618967,"date":"2026-01-18T19:28:43","date_gmt":"2026-01-18T18:28:43","guid":{"rendered":"https:\/\/cronologia-universale.it\/1707\/"},"modified":"2026-01-18T19:28:43","modified_gmt":"2026-01-18T18:28:43","slug":"1668-4","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/1668-4\/","title":{"rendered":"1668"},"content":{"rendered":"<p>Johannes Hevelius, astronomer (but also master brewer!), publishes Cometographia, in which he attempts to reconcile the Aristotelian view that comets are made of vapor with the Keplerian view that they have elliptical orbits: he therefore hypothesizes that comets are born from the vapor of Jupiter and Saturn and then follow an elliptical orbit towards the interior of the Solar System&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Johannes Hevelius, astronomer (but also master brewer!), publishes Cometographia, in which he attempts to reconcile&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[40],"tags":[],"class_list":["post-618967","post","type-post","status-publish","format-standard","hentry","category-mt-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - 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