{"id":4603,"date":"2015-06-05T09:22:41","date_gmt":"2015-06-05T09:22:41","guid":{"rendered":"http:\/\/revoscience.com\/en\/?p=4603"},"modified":"2015-06-05T09:26:16","modified_gmt":"2015-06-05T09:26:16","slug":"three-candidates-for-esas-next-medium-class-science-mission","status":"publish","type":"post","link":"https:\/\/www.revoscience.com\/en\/three-candidates-for-esas-next-medium-class-science-mission\/","title":{"rendered":"Three candidates for  ESA&#8217;s next medium-class science mission"},"content":{"rendered":"<div class=\"section\" style=\"color: #031e31;\">\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><a href=\"http:\/\/revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-4604 size-full\" src=\"http:\/\/revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg\" alt=\"M4_mission_themes_node_full_image_2\" width=\"700\" height=\"394\" title=\"\" srcset=\"https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg 700w, https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2-300x170.jpg 300w, https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2-70x40.jpg 70w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Exoplanets, plasma physics and the X-ray Universe are the topics chosen by ESA to be considered for the fourth medium-class mission in its Cosmic Vision science programme, for launch in 2025.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Following the recommendation by a peer review committee, Alvaro Gim\u00e9nez, Director of Science and Robotic Exploration, decided that three candidate concepts submitted to its \u2018M4\u2019 mission call will be studied further: the Atmospheric Remote-Sensing Infrared Exoplanet Large-survey (Ariel), the Turbulence Heating ObserveR (Thor) and the X-ray Imaging Polarimetry Explorer (Xipe).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u201cThe selection of these three exciting mission concepts for study is an important step in the continuation of ESA\u2019s long-term presence in space,\u201d says Professor Gim\u00e9nez.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">\u201cThe three proposals each offer the chance to tackle some of the major outstanding scientific questions about our place in the Universe.\u201d<\/span><\/p>\n<\/div>\n<div id=\"s_1\" class=\"section\" style=\"color: #031e31; text-align: justify;\">\n<p><span style=\"color: #000000;\">Ariel would analyse the atmospheres of around 500 planets orbiting close to nearby stars, to determine their chemical composition and physical conditions. The results would help scientists better understand planet formation, putting our own Solar System in context.<\/span><\/p>\n<p><span style=\"color: #000000;\">Thor would address a fundamental problem in space plasma physics concerned with the heating of plasma and the subsequent dissipation of energy. Planned to orbit Earth, its studies would include the interaction of the solar wind with Earth\u2019s magnetic field.<\/span><\/p>\n<p><span style=\"color: #000000;\">The investigation would shed light on the underlying physical mechanisms of plasma behaviour under turbulent conditions, in order to understand a key interaction between planets and their host stars.<\/span><\/p>\n<\/div>\n<div id=\"s_2\" class=\"section\" style=\"color: #031e31;\">\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Xipe would study X-ray emissions from high-energy sources such as supernovas, galaxy jets, black holes and neutron stars, to discover more about the behaviour of matter under extreme conditions.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">It would be the first observatory sensitive enough to make high-resolution measurements of the polarisation of these sources, opening a new window into the high-energy Universe.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">The three mission concepts were chosen from 27 proposals that were submitted in response to the mission call made by ESA to the scientific community last year.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">After a study period aimed at making a detailed technical and scientific definition of the three concepts, one mission will be selected to fill the fourth medium-class (M4) opportunity in ESA\u2019s Cosmic Vision 2015\u20132025 Plan, for launch in 2025.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Solar Orbiter, Euclid, and PLATO have already been selected as medium-class missions and are scheduled for launch in 2018, 2020 and 2024 respectively.<\/span><\/p>\n<p style=\"text-align: justify;\">\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Exoplanets, plasma physics and the X-ray Universe are the topics chosen by ESA to be considered for the fourth medium-class mission in its Cosmic Vision science programme, for launch in 2025. Following the recommendation by a peer review committee, Alvaro Gim\u00e9nez, Director of Science and Robotic Exploration, decided that three candidate concepts submitted to its [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4604,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-4603","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"featured_image_urls":{"full":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",700,394,false],"thumbnail":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2-150x150.jpg",150,150,true],"medium":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2-300x168.jpg",300,168,true],"medium_large":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",700,394,false],"large":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",700,394,false],"1536x1536":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",700,394,false],"2048x2048":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",700,394,false],"ultp_layout_landscape_large":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",700,394,false],"ultp_layout_landscape":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",700,394,false],"ultp_layout_portrait":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",600,338,false],"ultp_layout_square":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",600,338,false],"newspaper-x-single-post":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",700,394,false],"newspaper-x-recent-post-big":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",550,310,false],"newspaper-x-recent-post-list-image":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",95,53,false],"web-stories-poster-portrait":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",640,360,false],"web-stories-publisher-logo":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",96,54,false],"web-stories-thumbnail":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2015\/06\/M4_mission_themes_node_full_image_2.jpg",150,84,false]},"author_info":{"info":["RevoScience"]},"category_info":"<a href=\"https:\/\/www.revoscience.com\/en\/category\/news\/\" rel=\"category tag\">News<\/a>","tag_info":"News","comment_count":"0","_links":{"self":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/posts\/4603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/comments?post=4603"}],"version-history":[{"count":0,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/posts\/4603\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/media\/4604"}],"wp:attachment":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/media?parent=4603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/categories?post=4603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/tags?post=4603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}