{"id":6855,"date":"2024-07-02T15:18:03","date_gmt":"2024-07-02T15:18:03","guid":{"rendered":"https:\/\/starbottle.space\/?p=6855"},"modified":"2024-07-02T15:18:04","modified_gmt":"2024-07-02T15:18:04","slug":"ltt9779b-il-luminosissimo-esopianeta-specchio","status":"publish","type":"post","link":"https:\/\/starbottle.space\/en\/ltt9779b-the-extremely-bright-mirror-exoplanet\/","title":{"rendered":"LTT9779b, the very bright \u201cmirror\u201d exoplanet\u201d"},"content":{"rendered":"<p>In our Solar System, the brightest planet of all is Venus: its proximity to the Sun and its atmosphere mean that it has a very high reflectivity, equal to approximately 75%.<\/p>\n\n\n\n<p>However, there is one planet, discovered in 2020, that exceeds this value: it is called LTT 9779 b and is known as the \u201cmirror\u201d planet due to its incredible brightness.<\/p>\n\n\n\n<p>It is located about 260 light years away from us and is a \u201chot Neptune\u201d, with a mass similar to Neptune but much closer to its star, completing an orbit in less than a day. Its proximity to the star makes it extremely hot, with temperatures exceeding 1,700 degrees Celsius.<\/p>\n\n\n\n<p>But the most fascinating thing about this exotic world is its atmosphere rich in metals and silicates, which reflects about 80% of the light it receives. This makes it one of the most reflective exoplanets ever discovered.<\/p>\n\n\n\n<p>And for us, it is a natural laboratory for studying exoplanetary atmospheres: how does a planet manage to maintain an atmosphere in such extreme conditions?<\/p>","protected":false},"excerpt":{"rendered":"<p>Nel nostro Sistema Solare, il pianeta pi\u00f9 luminoso di tutti \u00e8 Venere: la sua vicinanza al Sole e la sua atmosfera fanno s\u00ec che abbiamo una riflettivit\u00e0 molto elevata, pari a circa il 75%. C\u2019\u00e8 per\u00f2 un pianeta, che abbiamo scoperto nel 2020, che supera questo valore: si chiama LTT 9779 b ed \u00e8 noto [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6842,"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-6855","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\/6855","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/comments?post=6855"}],"version-history":[{"count":1,"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/posts\/6855\/revisions"}],"predecessor-version":[{"id":6856,"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/posts\/6855\/revisions\/6856"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/media\/6842"}],"wp:attachment":[{"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/media?parent=6855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/categories?post=6855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starbottle.space\/en\/wp-json\/wp\/v2\/tags?post=6855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}