{"id":777525,"date":"2024-02-20T17:01:52","date_gmt":"2024-02-20T22:01:52","guid":{"rendered":"http:\/\/spaceweekly.com\/?p=777525"},"modified":"2024-02-20T17:01:52","modified_gmt":"2024-02-20T22:01:52","slug":"dead-european-satellite-ers-2-will-crash-back-to-earth-this-week-npr","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=777525","title":{"rendered":"Dead European satellite ERS-2 will crash back to Earth this week : NPR"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div id=\"storytext\">\n<div id=\"res1232590588\" class=\"bucketwrap image large\">\n<div class=\"imagewrap has-source-dimensions\" data-crop-type=\"\" style=\"&#10;        --source-width: 1388;&#10;        --source-height: 1041;&#10;    \">\n        <picture><source srcset=\"https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s400-c85.webp 400w,&#10;https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s600-c85.webp 600w,&#10;https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s800-c85.webp 800w,&#10;https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s900-c85.webp 900w,&#10;https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s1200-c85.webp 1200w,&#10;https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s1600-c85.webp 1600w,&#10;https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s1800-c85.webp 1800w\" sizes=\"(min-width: 1300px) 763px, (min-width: 1025px) calc(100vw - 496px), (min-width: 768px) calc(100vw - 171px), calc(100vw - 30px)\" class=\"img\" type=\"image\/webp\"\/><source srcset=\"https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s400-c85.jpg 400w,&#10;https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s600-c85.jpg 600w,&#10;https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s800-c85.jpg 800w,&#10;https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s900-c85.jpg 900w,&#10;https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s1200-c85.jpg 1200w,&#10;https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s1600-c85.jpg 1600w,&#10;https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s1800-c85.jpg 1800w\" sizes=\"(min-width: 1300px) 763px, (min-width: 1025px) calc(100vw - 496px), (min-width: 768px) calc(100vw - 171px), calc(100vw - 30px)\" class=\"img\" type=\"image\/jpeg\"\/>\n        <\/picture>\n<\/div>\n<div class=\"credit-caption\">\n<div class=\"caption-wrap\">\n<div class=\"caption\" aria-label=\"Image caption\">\n<p>\n                The ERS-2 was launched in 1995 and retired in 2011. It&#8217;s falling back to Earth this week.<br \/>\n                <b class=\"credit\" aria-label=\"Image credit\"><\/p>\n<p>                    ESA<\/p>\n<p>                <\/b><br \/>\n                <b class=\"hide-caption\"><b>hide caption<\/b><\/b>\n            <\/p>\n<\/p><\/div>\n<p>            <b class=\"toggle-caption\"><b>toggle caption<\/b><\/b>\n    <\/div>\n<p>    <span class=\"credit\" aria-label=\"Image credit\"><\/p>\n<p>        ESA<\/p>\n<p>    <\/span>\n<\/div>\n<div class=\"enlarge_measure\">\n<div class=\"img_wrap\">\n        <picture><source data-original=\"https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s1200.webp\" type=\"image\/webp\"><source data-original=\"https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s1200.jpg\" type=\"image\/jpeg\"><img decoding=\"async\" src=\"https:\/\/media.npr.org\/assets\/img\/2024\/02\/19\/ers-2-ac9ba164b65f4367cc0a86553dd03a6b734eda33-s1200.jpg\" alt=\"\"\/><br \/>\n        <\/source><\/source><\/picture>\n    <\/div>\n<\/div>\n<div class=\"enlarge_html\">\n<div class=\"image_data\">\n<p class=\"caption\">The ERS-2 was launched in 1995 and retired in 2011. It&#8217;s falling back to Earth this week.<\/p>\n<p>        <span class=\"credit\" aria-label=\"Image credit\"><\/p>\n<p>            ESA<\/p>\n<p>        <\/span>\n    <\/div>\n<\/div><\/div>\n<p>Those who have irrational fears of rare but dangerous events should be on full alert on Wednesday: space junk is falling to Earth somewhere and there is an incredibly small chance it could hit someone.<\/p>\n<p>It&#8217;s coming down in the form of pieces of a dead European Space Agency satellite called European Remote Sensing 2 (ERS-2). The satellite was launched in 1995, retired in 2011, and has been gradually making its way back to Earth since then.<\/p>\n<p>The ESA&#8217;s predictions as of Tuesday afternoon are that the dead satellite will reenter the Earth&#8217;s atmosphere at 11:32 a.m. ET on Wednesday, give or take 4 and a half hours.<\/p>\n<aside id=\"ad-backstage-wrap\" aria-label=\"advertisement\">\n<\/aside>\n<p>This uncertainty is due primarily to the influence of unpredictable solar activity, which affects the density of the Earth&#8217;s atmosphere and therefore the drag experienced by the satellite.<\/p>\n<p>The space agency says the satellite will break into pieces at about 50 miles above the Earth&#8217;s surface and the vast majority will burn up in the atmosphere. Some fragments could make it to Earth and will likely fall into the ocean. <\/p>\n<div id=\"res1232590081\" class=\"bucketwrap internallink insettwocolumn inset2col \">\n<div class=\"bucket img\">\n                  <picture><source srcset=\"https:\/\/media.npr.org\/assets\/img\/2024\/02\/15\/52667587548_e3ef881185_o_sq-3b5455c8cd02984270df537618ce538ed24251e3-s100-c15.webp\" data-original=\"https:\/\/media.npr.org\/assets\/img\/2024\/02\/15\/52667587548_e3ef881185_o_sq-3b5455c8cd02984270df537618ce538ed24251e3-s100.webp\" data-format=\"webp\" class=\"img lazyOnLoad\" type=\"image\/webp\"\/><source srcset=\"https:\/\/media.npr.org\/assets\/img\/2024\/02\/15\/52667587548_e3ef881185_o_sq-3b5455c8cd02984270df537618ce538ed24251e3-s100-c15.jpg\" data-original=\"https:\/\/media.npr.org\/assets\/img\/2024\/02\/15\/52667587548_e3ef881185_o_sq-3b5455c8cd02984270df537618ce538ed24251e3-s100.jpg\" data-format=\"jpg\" class=\"img lazyOnLoad\" type=\"image\/jpeg\"\/><img decoding=\"async\" src=\"https:\/\/media.npr.org\/assets\/img\/2024\/02\/15\/52667587548_e3ef881185_o_sq-3b5455c8cd02984270df537618ce538ed24251e3-s100.jpg\" data-format=\"jpg\" class=\"img lazyOnLoad\" alt=\"Russia is working on a weapon to destroy satellites but has not deployed one yet\" loading=\"lazy\"\/><\/picture>\n<p><!-- END CLASS=\"BUCKETBLOCK\" -->\n      <\/div>\n<p><!-- END CLASS=\"BUCKET IMG\" -->\n   <\/div>\n<p><!-- END ID=\"RES1232590081\" CLASS=\"BUCKETWRAP INTERNALLINK INSETTWOCOLUMN INSET2COL \" --><\/p>\n<h3 class=\"edTag\">The largest satellite fragment that could land would weigh about 115 lbs <\/h3>\n<p>&#8220;The odds of a piece of satellite falling on someone&#8217;s head is estimated at one in a billion,&#8221; ESA space debris system engineer Benjamin Bastida Virgili said during a press briefing last week, according to Phys.org.<\/p>\n<p>Henri Laur from the ESA Earth observation mission said the largest fragment that could reach the ground would weigh about 115 pounds, the website reported. The mass of the whole satellite is roughly 5,000 pounds.<\/p>\n<p>Over its 16-year life, the ERS-2 collected information on climate change and the Earth&#8217;s atmosphere. Along with its older sister satellite ERS-1, it used: &#8220;an imaging synthetic aperture radar, a radar altimeter and other powerful sensors to measure ocean-surface temperature and winds at sea,&#8221; the ESA said. The ERS-2 also carried another sensor to measure atmospheric ozone.<\/p>\n<aside id=\"ad-secondary-wrap\" aria-label=\"advertisement\">\n<\/aside>\n<p>The space agency said the two satellites gathered information on &#8220;diminishing polar ice, changing land surfaces, sea-level rise, warming oceans and atmospheric chemistry.&#8221;<\/p>\n<p>The ESA decommissioned ERS-2 in 2011 and maneuvered it from an orbit of about 490 miles down to 360 miles above the Earth. It&#8217;s now out of fuel and out of batteries. The agency isn&#8217;t sure where exactly it will go.<\/p>\n<div id=\"res1232589180\" class=\"bucketwrap internallink insettwocolumn inset2col \">\n<div class=\"bucket img\">\n                  <picture><source srcset=\"https:\/\/media.npr.org\/assets\/img\/2022\/10\/25\/51814201006_ccf6462217_o_sq-745c87d006f3b0b19f4f865e9c3313418ca17ddc-s100-c15.webp\" data-original=\"https:\/\/media.npr.org\/assets\/img\/2022\/10\/25\/51814201006_ccf6462217_o_sq-745c87d006f3b0b19f4f865e9c3313418ca17ddc-s100.webp\" data-format=\"webp\" class=\"img lazyOnLoad\" type=\"image\/webp\"\/><source srcset=\"https:\/\/media.npr.org\/assets\/img\/2022\/10\/25\/51814201006_ccf6462217_o_sq-745c87d006f3b0b19f4f865e9c3313418ca17ddc-s100-c15.jpg\" data-original=\"https:\/\/media.npr.org\/assets\/img\/2022\/10\/25\/51814201006_ccf6462217_o_sq-745c87d006f3b0b19f4f865e9c3313418ca17ddc-s100.jpg\" data-format=\"jpg\" class=\"img lazyOnLoad\" type=\"image\/jpeg\"\/><img decoding=\"async\" src=\"https:\/\/media.npr.org\/assets\/img\/2022\/10\/25\/51814201006_ccf6462217_o_sq-745c87d006f3b0b19f4f865e9c3313418ca17ddc-s100.jpg\" data-format=\"jpg\" class=\"img lazyOnLoad\" alt=\"The International Space Station had to move to dodge space junk\" loading=\"lazy\"\/><\/picture>\n<p><!-- END CLASS=\"BUCKETBLOCK\" -->\n      <\/div>\n<p><!-- END CLASS=\"BUCKET IMG\" -->\n   <\/div>\n<p><!-- END ID=\"RES1232589180\" CLASS=\"BUCKETWRAP INTERNALLINK INSETTWOCOLUMN INSET2COL \" --><\/p>\n<p>The goal was to bring it down gradually and prevent it from adding to the big problem of orbital space junk. About 500,000 marble-sized objects are in orbit and there are more than 100 million objects 1mm or smaller, according to NASA. Another 25,000 objects are bigger than 10cm.<\/p>\n<p>Most of the debris comes from satellite explosions and collisions. And when objects hit each other, they can create even smaller pieces of debris. The average impact speed is usually 22,000 mph, meaning even tiny objects can be dangerous.<\/p>\n<p>The ESA says that on average, an object of similar mass to the ERS-2 reenters the Earth&#8217;s atmosphere every one to two weeks.<\/p>\n<\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/npr.org\/2024\/02\/20\/1232565722\/dead-satellite-space-junk-falling-back-to-earth?rand=771664\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The ERS-2 was launched in 1995 and retired in 2011. It&#8217;s falling back to Earth this week. ESA hide caption toggle caption ESA The ERS-2 was launched in 1995 and&hellip; <\/p>\n","protected":false},"author":1,"featured_media":777526,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[],"class_list":["post-777525","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-npr"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/777525","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=777525"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/777525\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/777526"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=777525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=777525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=777525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}