{"id":584547,"date":"2023-12-22T13:06:40","date_gmt":"2023-12-22T18:06:40","guid":{"rendered":"https:\/\/www.nasa.gov\/?post_type=image-article&p=584547"},"modified":"2024-01-09T09:58:17","modified_gmt":"2024-01-09T14:58:17","slug":"on-cupid-on-donner-and-barrel","status":"publish","type":"image-article","link":"https:\/\/www.nasa.gov\/image-article\/on-cupid-on-donner-and-barrel\/","title":{"rendered":"On Cupid! On, Donner and BARREL!"},"content":{"rendered":"<div id=\"\" class=\"hds-media hds-module wp-block-image\"><div class=\"margin-left-auto margin-right-auto nasa-block-align-inline\"><div class=\"hds-media-wrapper margin-left-auto margin-right-auto\"><figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-none \"><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"2048\" height=\"1365\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg?w=2048\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"Four reindeer walk past the BARREL payload. Two are on the left of the payload and two are on the right. The payload looks like a large white box with red square patches on two sides, resting atop a platform with four wheels. The ground is brown with small rocks, and in the background, a forest of green trees spreads over hills in the distance. The sky is overcast.\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg 5184w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg?resize=300,200 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg?resize=768,512 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg?resize=1024,683 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg?resize=1536,1024 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg?resize=2048,1365 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg?resize=400,267 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg?resize=600,400 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg?resize=900,600 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg?resize=1200,800 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg?resize=2000,1333 2000w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" loading=\"eager\" \/><\/a><\/figure><figcaption class=\"hds-caption padding-y-2\"><div class=\"hds-credits\">NASA\/University of Houston\/Samar Mathur<\/div><\/figcaption><\/div><\/div><\/div>\n\n\n<p>In this image from August 2016, four reindeer walk past the <a href=\"https:\/\/science.nasa.gov\/mission\/barrel\/\" rel=\"noopener\">Balloon Array for Radiation-belt Relativistic Electron Losses<\/a>, or BARREL, payload on the launch pad at Esrange Space Center near Kiruna, Sweden. BARREL primarily measured X-rays in Earth\u2019s atmosphere near the North and South Poles. These X-rays are caused by electrons that rain down, or precipitate, into the atmosphere from the giant swaths of radiation that surround Earth, called the Van Allen Belts. Understanding this radiation and its interaction with Earth\u2019s atmosphere helps us to learn about planetary radiation belts, and to better protect satellites that orbit Earth.<\/p>\n\n\n\n<p>The primary BARREL mission ended when scientists sent their last balloon over Sweden on Aug. 30, 2016. Recovered BARREL payloads were launched as targets of opportunities on three additional flights. In addition to X-ray instruments, several of the BARREL balloons also carried instruments built by undergraduate students to measure the total electron content of Earth\u2019s ionosphere, as well as the low-frequency electromagnetic waves that help to scatter electrons into Earth\u2019s atmosphere.<\/p>\n\n\n\n<p><a href=\"https:\/\/science.nasa.gov\/gallery\/barrel\/\" rel=\"noopener\">See more photos from the BARREL mission.<\/a><\/p>\n\n\n\n<p><em>Image Credit: NASA\/University of Houston\/Samar Mathur<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this image from August 2016, four reindeer walk past the Balloon Array for Radiation-belt Relativistic Electron Losses, or BARREL, payload on the launch pad at Esrange Space Center near Kiruna, Sweden. BARREL primarily measured X-rays in Earth\u2019s atmosphere near the North and South Poles. These X-rays are caused by electrons that rain down, or […]<\/p>\n","protected":false},"author":334,"featured_media":584544,"template":"","meta":{"nasa_hds_core_meta_l10n":"en-US","nasa_hds_core_meta_article_editor":"","nasa_hds_core_meta_article_contacts":[],"nasa_hds_core_meta_article_topic":"","nasa_hds_core_meta_linked_locations":[],"nasa_hds_core_meta_article_related_articles":[],"hds_migrate_meta_pr_release_id":"","hds_migrate_meta_pr_release_type":"","nasa_hds_core_meta_location_x":"","nasa_hds_core_meta_location_y":"","nasa_hds_core_meta_gallery_images":[]},"categories":[2691,11402],"news-tags":[],"internal-terms":[],"coauthors":[11483],"parsely":{"version":"1.1.0","meta":{"@context":"https:\/\/schema.org","@type":"NewsArticle","headline":"On Cupid! On, Donner and BARREL!","url":"https:\/\/www.nasa.gov\/image-article\/on-cupid-on-donner-and-barrel\/","mainEntityOfPage":{"@type":"WebPage","@id":"https:\/\/www.nasa.gov\/image-article\/on-cupid-on-donner-and-barrel\/"},"thumbnailUrl":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg?w=150&h=150&crop=1","image":{"@type":"ImageObject","url":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg"},"articleSection":"Missions","author":[{"@type":"Person","name":"Monika Luabeya"}],"creator":["Monika Luabeya"],"publisher":{"@type":"Organization","name":"NASA","logo":"https:\/\/www.nasa.gov\/wp-content\/themes\/nasa\/assets\/images\/nasa-logo.svg"},"keywords":["Missions","Scientific Balloons","BARREL (Balloon Array for Radiation-belt Relativistic Electron Losses)"],"dateCreated":"2023-12-22T18:06:40Z","datePublished":"2023-12-22T18:06:40Z","dateModified":"2024-01-09T14:58:17Z"},"rendered":"<meta name=\"parsely-title\" content=\"On Cupid! On, Donner and BARREL!\" \/>\n<meta name=\"parsely-link\" content=\"https:\/\/www.nasa.gov\/image-article\/on-cupid-on-donner-and-barrel\/\" \/>\n<meta name=\"parsely-type\" content=\"post\" \/>\n<meta name=\"parsely-image-url\" content=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg?w=150&h=150&crop=1\" \/>\n<meta name=\"parsely-pub-date\" content=\"2023-12-22T18:06:40Z\" \/>\n<meta name=\"parsely-section\" content=\"Missions\" \/>\n<meta name=\"parsely-tags\" content=\"Missions,Scientific Balloons,BARREL (Balloon Array for Radiation-belt Relativistic Electron Losses)\" \/>\n<meta name=\"parsely-author\" content=\"Monika Luabeya\" \/>","tracker_url":"https:\/\/cdn.parsely.com\/keys\/nasa.gov\/p.js"},"read_time":1,"featured_image":{"id":584544,"file":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/12\/gsfc-20171208-archive-e000249orig.jpg","title":"On Cupid! On, Donner and BARREL!","alt":"Four reindeer walk past the BARREL payload. Two are on the left of the payload and two are on the right. The payload looks like a large white box with red square patches on two sides, resting atop a platform with four wheels. The ground is brown with small rocks, and in the background, a forest of green trees spreads over hills in the distance. The sky is overcast.","caption":"Four reindeer walk past the BARREL payload on the launch pad at Esrange Space Center near Kiruna, Sweden. The BARREL team was at Esrange Space Center launching a series of six scientific payloads on miniature scientific balloons. The NASA-funded BARREL \u2013 which stands for Balloon Array for Radiation-belt Relativistic Electron Losses \u2013 primarily measured X-rays in Earth\u2019s atmosphere near the North and South Poles."},"_links":{"self":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/image-article\/584547"}],"collection":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/image-article"}],"about":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/types\/image-article"}],"author":[{"embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/users\/334"}],"version-history":[{"count":3,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/image-article\/584547\/revisions"}],"predecessor-version":[{"id":589944,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/image-article\/584547\/revisions\/589944"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/media\/584544"}],"wp:attachment":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/media?parent=584547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/categories?post=584547"},{"taxonomy":"news-tags","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/news-tags?post=584547"},{"taxonomy":"internal-terms","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/internal-terms?post=584547"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/coauthors?post=584547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}