{"id":14824,"date":"2018-03-28T09:27:25","date_gmt":"2018-03-28T09:27:25","guid":{"rendered":"https:\/\/www.revoscience.com\/en\/?p=14824"},"modified":"2020-05-27T06:03:19","modified_gmt":"2020-05-27T06:03:19","slug":"proba-1-view-of-the-great-pyramids","status":"publish","type":"post","link":"https:\/\/www.revoscience.com\/en\/proba-1-view-of-the-great-pyramids\/","title":{"rendered":"Proba-1 view of the Great Pyramids"},"content":{"rendered":"<figure id=\"attachment_14825\" aria-describedby=\"caption-attachment-14825\" style=\"width: 700px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-14825\" src=\"https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg\" alt=\"\" width=\"700\" height=\"669\" title=\"\" srcset=\"https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg 700w, https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2-300x287.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-14825\" class=\"wp-caption-text\">Credit: ESA<\/figcaption><\/figure>\n<p style=\"text-align: justify\"><span style=\"color: #000000\">A view looking north to south of Egypt\u2019s famous Giza Pyramid Complex, as seen by ESA\u2019s Proba-1 minisatellite.<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"color: #000000\">The smaller Pyramid of Menkaure is seen to towards the centre of the image, with the larger Pyramid of Khafre down and left of it, with the Great Pyramid of Giza \u2013 the largest and oldest of the three \u2013 below and left of that.<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"color: #000000\">Three smaller pyramids are adjacent to the Pyramid Menkaure. The Giza Plateau sits on the edge of Cairo, fringed by suburbs.<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"color: #000000\">The cubic-metre\u00a0<a style=\"color: #000000\" href=\"http:\/\/www.esa.int\/Our_Activities\/Observing_the_Earth\/Proba-1\" target=\"_blank\" rel=\"noopener\">Proba-1<\/a>\u00a0is the first in ESA\u2019s series of satellites aimed at flight-testing new space technologies. It was launched on 22 October 2001 but is still going strong, having recently became the Agency\u2019s\u00a0<a style=\"color: #000000\" href=\"http:\/\/www.esa.int\/Our_Activities\/Observing_the_Earth\/Proba-1\/Proba-1_sets_new_record\" target=\"_blank\" rel=\"noopener\">longest-serving Earth-observing mission<\/a>.<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"color: #000000\">Proba-1\u2019s main hyperspectral CHRIS imager is supplemented by this experimental High-Resolution Camera, acquiring black and white 5 m-resolution images.<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"color: #000000\">Other innovations include what were then novel gallium-arsenide solar cells, the use of startrackers for gyroless attitude control, one of the first lithium-ion batteries \u2013 now the longest such item operating in orbit \u2013 and one of ESA\u2019s first ERC32 microprocessors to run Proba-1\u2019s agile computer.<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"color: #000000\">For more background on Proba-1, read this celebration in the<a style=\"color: #000000\" href=\"https:\/\/esamultimedia.esa.int\/multimedia\/publications\/ESA-Bulletin-148\/pageflip.html\" target=\"_blank\" rel=\"noopener\">\u00a0<i>ESA Bulletin<\/i><\/a>.<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"color: #000000\">Proba-1 led the way for the Sun-monitoring\u00a0<a style=\"color: #000000\" href=\"http:\/\/www.esa.int\/Our_Activities\/Space_Engineering_Technology\/Proba_Missions\/About_Proba-2\" target=\"_blank\" rel=\"noopener\">Proba-2<\/a>\u00a0in 2009, the vegetation-tracking\u00a0<a style=\"color: #000000\" href=\"http:\/\/www.esa.int\/Our_Activities\/Space_Engineering_Technology\/Proba_Missions\/Overview2\" target=\"_blank\" rel=\"noopener\">Proba-V<\/a>\u00a0in 2013 and the\u00a0<a style=\"color: #000000\" href=\"http:\/\/www.esa.int\/Our_Activities\/Space_Engineering_Technology\/Proba_Missions\/About_Proba-3\" target=\"_blank\" rel=\"noopener\">Proba-3<\/a>\u00a0precise formation-flying mission planned for late 2020.<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"color: #000000\">This image was acquired on 6 January 2018.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A view looking north to south of Egypt\u2019s famous Giza Pyramid Complex, as seen by ESA\u2019s Proba-1 minisatellite. The smaller Pyramid of Menkaure is seen to towards the centre of the image, with the larger Pyramid of Khafre down and left of it, with the Great Pyramid of Giza \u2013 the largest and oldest of [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":14825,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-14824","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-space-news"],"featured_image_urls":{"full":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",700,669,false],"thumbnail":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2-150x150.jpg",150,150,true],"medium":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2-300x287.jpg",300,287,true],"medium_large":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",700,669,false],"large":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",700,669,false],"1536x1536":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",700,669,false],"2048x2048":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",700,669,false],"ultp_layout_landscape_large":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",700,669,false],"ultp_layout_landscape":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",596,570,false],"ultp_layout_portrait":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",600,573,false],"ultp_layout_square":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",600,573,false],"newspaper-x-single-post":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",513,490,false],"newspaper-x-recent-post-big":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",377,360,false],"newspaper-x-recent-post-list-image":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",68,65,false],"web-stories-poster-portrait":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",640,612,false],"web-stories-publisher-logo":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",96,92,false],"web-stories-thumbnail":["https:\/\/www.revoscience.com\/en\/wp-content\/uploads\/2018\/03\/Proba-1_view_of_the_Great_Pyramids_node_full_image_2.jpg",150,143,false]},"author_info":{"info":["Amrita Tuladhar"]},"category_info":"<a href=\"https:\/\/www.revoscience.com\/en\/category\/news\/space-news\/\" rel=\"category tag\">Space\/ AstroPhysics<\/a>","tag_info":"Space\/ AstroPhysics","comment_count":"0","_links":{"self":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/posts\/14824","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/comments?post=14824"}],"version-history":[{"count":0,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/posts\/14824\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/media\/14825"}],"wp:attachment":[{"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/media?parent=14824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/categories?post=14824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.revoscience.com\/en\/wp-json\/wp\/v2\/tags?post=14824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}