{"id":11879,"date":"2025-07-14T13:23:43","date_gmt":"2025-07-14T11:23:43","guid":{"rendered":"https:\/\/starbottle.space\/?p=11879"},"modified":"2025-07-14T13:23:45","modified_gmt":"2025-07-14T11:23:45","slug":"scoperto-un-nuovo-pianeta-gigante-e-piu-grande-di-giove-e-distante-400-anni-luce","status":"publish","type":"post","link":"https:\/\/starbottle.space\/en\/new-giant-planet-discovered-larger-than-jupiter-and-400-light-years-away\/","title":{"rendered":"New giant planet discovered: larger than Jupiter and 400 light years away"},"content":{"rendered":"<p>A new exoplanet has been discovered beyond the borders of our Solar System: it is called <strong>TOI-4465 b<\/strong>, is a gas giant <strong>larger than Jupiter<\/strong> and is located about <strong>400 light years from Earth<\/strong>. The discovery, published in <em>The Astronomical Journal<\/em>, is the result of <strong>citizen science<\/strong>, or collaboration between scientists and citizens who are passionate about astronomy.<\/p>\n\n\n\n<p><strong>A global discovery thanks to the Unistellar network<\/strong><\/p>\n\n\n\n<p>Led by <strong>Zahra Essack<\/strong> of the University of New Mexico, the research was made possible thanks to <strong>Unistellar<\/strong>, an international network of amateur astronomers. Ben <strong>24 citizen scientists<\/strong> by <strong>10 Countries<\/strong> provided their personal telescopes to confirm the initial data from the space telescope <strong>TESS<\/strong> (Transiting Exoplanet Survey Satellite) of the <strong>NASA<\/strong>.<\/p>\n\n\n\n<p>The first clue to the existence of TOI-4465 b came from TESS itself, which had detected a <strong>partial transit of the planet in front of its parent star<\/strong>, causing a decrease in brightness. However, the transit was brief and difficult to confirm.<\/p>\n\n\n\n<p><strong>Observing the transit? An astronomical challenge<\/strong><\/p>\n\n\n\n<p>\u201cThe observation windows are extremely limited,\u201d explained Zahra Essack. \u201cEach transit lasts about 12 hours, but finding a place with 12 hours of clear, dark sky is a rarity. Weather conditions, telescope availability and the need for continuous coverage further complicate the situation.\u201d<\/p>\n\n\n\n<p>Despite the difficulties, the collaboration between citizen scientists and professional observers made it possible to <strong>detect and study the planet's transit again<\/strong>, providing essential data to confirm its existence.<\/p>\n\n\n\n<p><strong>TOI-4465 b: a rare and fascinating exoplanet<\/strong><\/p>\n\n\n\n<p>Thanks to these coordinated observations, TOI-4465 b was identified as a <strong>gas giant exoplanet<\/strong> with surprising characteristics:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Approx. radius <strong>25% larger than Jupiter<\/strong><\/li>\n\n\n\n<li>Mass almost <strong>six times higher<\/strong><\/li>\n\n\n\n<li>Density almost <strong>triple<\/strong> compared to Jupiter<\/li>\n\n\n\n<li><strong>Temperature between 100\u00b0C and 200\u00b0C<\/strong><\/li>\n\n\n\n<li>Orbit <strong>slightly elliptical<\/strong><\/li>\n<\/ul>\n\n\n\n<p>These properties make it a celestial object <strong>extremely rare<\/strong>is one of the few known planets to be <strong>so large, massive, dense and temperate<\/strong> at the same time.<\/p>","protected":false},"excerpt":{"rendered":"<p>Un nuovo esopianeta \u00e8 stato scoperto oltre i confini del nostro Sistema Solare: si chiama TOI-4465 b, \u00e8 un gigante gassoso pi\u00f9 grande di Giove e si trova a circa 400 anni luce dalla Terra. La scoperta, pubblicata su The Astronomical Journal, \u00e8 frutto della citizen science, ovvero la collaborazione tra scienziati e cittadini appassionati [&hellip;]<\/p>\n","protected":false},"author":55,"featured_media":11880,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"wds_primary_category":44,"footnotes":""},"categories":[44],"tags":[],"class_list":["post-11879","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vita-nello-spazio"],"acf":[],"_links":{"self":[{"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/posts\/11879","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/users\/55"}],"replies":[{"embeddable":true,"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/comments?post=11879"}],"version-history":[{"count":1,"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/posts\/11879\/revisions"}],"predecessor-version":[{"id":11881,"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/posts\/11879\/revisions\/11881"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/media\/11880"}],"wp:attachment":[{"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/media?parent=11879"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/categories?post=11879"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/tags?post=11879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}