{"id":17836,"date":"2020-01-06T17:57:53","date_gmt":"2020-01-06T09:57:53","guid":{"rendered":"https:\/\/wp-productionenv-bjg9h2g2bgg5b8aa.southeastasia-01.azurewebsites.net\/news\/nasas-tess-probe-chalks-up-its-first-earth-sized-planet-in-habitable-zone-plus-a-tatooine-planet\/"},"modified":"2020-01-06T17:57:53","modified_gmt":"2020-01-06T09:57:53","slug":"nasas-tess-probe-chalks-up-its-first-earth-sized-planet-in-habitable-zone-plus-a-tatooine-planet","status":"publish","type":"post","link":"https:\/\/starpath.global\/news\/nasas-tess-probe-chalks-up-its-first-earth-sized-planet-in-habitable-zone-plus-a-tatooine-planet\/","title":{"rendered":"NASA\u2019s TESS probe chalks up its first Earth-sized planet in habitable zone, plus a \u2018Tatooine\u2019 planet"},"content":{"rendered":"<p><iframe title=\"TESS Mission's First Earth-size World in Star's Habitable-zone\" src=\"https:\/\/www.youtube.com\/embed\/QU0qsIGS6MQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"\" data-ratio=\"0.5625\" data-width=\"800\" data-height=\"450\" style=\"display: block; margin: 0px; width: 800px; height: 450px;\"><\/iframe><\/p>\n<p>Astronomers report that NASA\u2019s Transiting Exoplanet Survey Satellite, or TESS, has detected its first Earth-sized planet lying in its parent star\u2019s habitable zone, plus its first planet orbiting two stars.<\/p>\n<p>The Earth-sized planet, known as TOI 700 d, is orbiting a cool M-dwarf star a little more than 100 light-years from Earth in the southern constellation Dorado. TESS picked up signs of three planets, but only the outermost world \u2014 TOI 700 d \u2014 orbits in the zone where it\u2019s thought possible for water to exist at the surface in liquid form. On Earth, that\u2019s a key requirement for habitability.<\/p>\n<p>The circumbinary planet is called TOI 1338 b, and it\u2019s in a stellar system that\u2019s about 1,300 light-years away in the constellation Pictor. The fact that it traces an orbit around an eclipsing binary star system evokes comparisons to Tatooine, the planet with two suns that served as Luke Skywalker\u2019s home in \u201cStar Wars.\u201d<\/p>\n<p>This planet isn\u2019t likely to be all that livable, however: It\u2019s 6.9 times larger than Earth, which puts it in a class between Neptune and Saturn.<\/p>\n<p>Both revelations came to light Monday in conjunction with this week\u2019s winter meeting of the American Astronomical Society in Honolulu, a gathering that\u2019s been called the \u201cSuper Bowl of Astronomy.\u201d TESS was launched in 2018 and is designed to survey 200,000 of the brightest stars in our celestial neighborhood for signs of orbiting planets.<\/p>\n<p>Other planet-hunting missions have detected Earth-sized, habitable-zone planets as well as circumbinary planets, but TOI 700 d and TOI 1338 b represent firsts in those categories for TESS.<\/p>\n<p><iframe title=\"TESS Satellite Discovered Its 1st World Orbiting 2 Stars\" src=\"https:\/\/www.youtube.com\/embed\/8FrlhrtVEW8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"\" data-ratio=\"0.5625\" data-width=\"800\" data-height=\"450\" style=\"display: block; margin: 0px; width: 800px; height: 450px;\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Astronomers report that NASA\u2019s Transiting Exoplanet Survey Satellite, or TESS, has detected its first Earth-sized planet lying in its parent star\u2019s habitable zone, plus its first planet orbiting two stars. The Earth-sized planet, known as TOI 700 d, is orbiting a cool M-dwarf star a little more than 100 light-years from Earth in the southern [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[2],"tags":[4393,559,4709,2398],"class_list":["post-17836","post","type-post","status-publish","format-standard","hentry","category-news","tag-aas","tag-exoplanets","tag-planets","tag-tess"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/17836"}],"collection":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/comments?post=17836"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/17836\/revisions"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=17836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=17836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=17836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}