{"id":18144,"date":"2019-02-14T01:55:49","date_gmt":"2019-02-13T17:55:49","guid":{"rendered":"https:\/\/wp-productionenv-bjg9h2g2bgg5b8aa.southeastasia-01.azurewebsites.net\/news\/opportunity-on-mars-2004-2019-nasa-sings-requiem-to-a-rover-and-looks-ahead\/"},"modified":"2019-02-14T01:55:49","modified_gmt":"2019-02-13T17:55:49","slug":"opportunity-on-mars-2004-2019-nasa-sings-requiem-to-a-rover-and-looks-ahead","status":"publish","type":"post","link":"https:\/\/starpath.global\/news\/opportunity-on-mars-2004-2019-nasa-sings-requiem-to-a-rover-and-looks-ahead\/","title":{"rendered":"Opportunity on Mars, 2004-2019: NASA sings requiem to a rover \u2014 and looks ahead"},"content":{"rendered":"<figure id=\"attachment_480208\" aria-describedby=\"caption-attachment-480208\" style=\"width: 630px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full-width wp-image-480208\" src=\"https:\/\/cdn.geekwire.com\/wp-content\/uploads\/2019\/02\/190213-rover-630x490.jpg\" alt=\"Opportunity rover's shadow\" width=\"630\" height=\"490\" srcset=\"https:\/\/cdn.geekwire.com\/wp-content\/uploads\/2019\/02\/190213-rover-630x490.jpg 630w, https:\/\/cdn.geekwire.com\/wp-content\/uploads\/2019\/02\/190213-rover-768x598.jpg 768w, https:\/\/cdn.geekwire.com\/wp-content\/uploads\/2019\/02\/190213-rover.jpg 1023w\" sizes=\"(max-width: 630px) 100vw, 630px\"><figcaption data-nosnippet=\"\" id=\"caption-attachment-480208\" class=\"wp-caption-text\">Ths colorized image of the Opportunity rover\u2019s shadow was taken on July 26, 2004, by the rover\u2019s front hazard-avoidance camera as it moved farther into Endurance Crater in the Meridiani Planum region of Mars. (NASA \/ JPL-Caltech Photo)<\/figcaption><\/figure>\n<p>After months of silence from Mars, NASA finally read the rites over its Opportunity rover, hailing the six-wheeled machine as an overachiever that found some of the first and best evidence of the Red Planet\u2019s warmer, wetter past.<\/p>\n<p>The solar-powered rover\u2019s demise was no surprise: It fell out of contact with controllers at NASA\u2019s Jet Propulsion Laboratory in Pasadena, Calif., last June&nbsp;\u2014 due to a globe-girdling Martian dust storm that kept Opportunity from charging its batteries.<\/p>\n<p>Mission managers tried all sorts of tricks to wake up the comatose rover and re-establish communications, but it was to no avail. The last attempt was made on Tuesday night.<\/p>\n<p>Today\u2019s final Opportunity news briefing took on the trappings of a memorial service, featuring far more ceremony than NASA employed when the Spirit rover \u2014 Opportunity\u2019s twin in the Mars Exploration Rover mission \u2014&nbsp;went dead in 2011.<\/p>\n<p>\u201cI was there with the team as these commands went out into the deep sky, and I learned this morning that we had not heard back, and our beloved Opportunity remained silent,\u201d said Thomas Zurbuchen, NASA\u2019s associate administrator for science. \u201cIt is therefore that I\u2019m standing here, with a sense of deep appreciation and gratitude, that I declare the Opportunity mission as complete, and with it, the Mars Exploration Rover mission as complete.\u201d<\/p>\n<p>Both rovers bounced to the Martian surface, wrapped in protective airbags, in January 2004. On opposite sides of the planet, each rover came upon evidence that water once flowed on the Red Planet. Near its landing site in the Meridiani Planum region, Opportunity found \u201cMartian blueberries\u201d containing hematite, a mineral that forms in the presence of water.<\/p>\n<p><iframe title=\"Opportunity: NASA Rover Completes Mars Mission\" src=\"https:\/\/www.youtube.com\/embed\/1Ll-VHYxWXU?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>Cornell astronomer Steve Squyres, who was the principal investigator of the Mars Exploration Rover mission, recalled that the initial evidence suggested Mars\u2019 ancient water was highly acidic. \u201cWe were running around saying, \u2018Water on Mars! Water on Mars!\u2019 It was really sulfuric acid on Mars, right?\u201d he said, half-jokingly.<\/p>\n<p>Later evidence gathered at Endeavour Crater indicated that the water at that location in ancient times might have been drinkable.<\/p>\n<p>Opportunity and Spirit were designed to last at least 90 days on Mars, but scientists marveled that both rovers lasted years longer than expected. Project manager John Callas said there were two main reasons why the rovers were such overachievers.<\/p>\n<p>He explained that scientists expected the rovers to grind to a halt when enough of Mars\u2019 red dust settled on their solar panels to choke off their power generation systems. They were surprised to find out that Martian winds periodically swept the panels clean.<\/p>\n<p>\u201cThis, on a seasonal cycle, actually became pretty reliable,\u201d Callas said.<\/p>\n<p>The second factor had to do with the rovers\u2019 batteries. Opportunity\u2019s batteries went through more than 5,000 charging cycles, and were still capable of holding an 85 percent charge after more than 14 years of use. \u201cWe would all love it if our cellphone batteries lasted this long,\u201d Callas said.<\/p>\n<p>Opportunity\u2019s odometer logged 28.06 miles of travel, which set the record for the longest trek on a world beyond Earth.<\/p>\n<p><iframe id=\"twitter-widget-0\" scrolling=\"no\" frameborder=\"0\" allowtransparency=\"true\" allowfullscreen=\"true\" class=\"\" style=\"position: absolute; visibility: hidden; width: 0px; height: 0px; display: block; flex-grow: 1;\" title=\"X Post\" src=\"https:\/\/platform.twitter.com\/embed\/Tweet.html?creatorScreenName=b0yle&amp;dnt=true&amp;embedId=twitter-widget-0&amp;features=eyJ0ZndfdGltZWxpbmVfbGlzdCI6eyJidWNrZXQiOltdLCJ2ZXJzaW9uIjpudWxsfSwidGZ3X2ZvbGxvd2VyX2NvdW50X3N1bnNldCI6eyJidWNrZXQiOnRydWUsInZlcnNpb24iOm51bGx9LCJ0ZndfdHdlZXRfZWRpdF9iYWNrZW5kIjp7ImJ1Y2tldCI6Im9uIiwidmVyc2lvbiI6bnVsbH0sInRmd19yZWZzcmNfc2Vzc2lvbiI6eyJidWNrZXQiOiJvbiIsInZlcnNpb24iOm51bGx9LCJ0ZndfZm9zbnJfc29mdF9pbnRlcnZlbnRpb25zX2VuYWJsZWQiOnsiYnVja2V0Ijoib24iLCJ2ZXJzaW9uIjpudWxsfSwidGZ3X21peGVkX21lZGlhXzE1ODk3Ijp7ImJ1Y2tldCI6InRyZWF0bWVudCIsInZlcnNpb24iOm51bGx9LCJ0ZndfZXhwZXJpbWVudHNfY29va2llX2V4cGlyYXRpb24iOnsiYnVja2V0IjoxMjA5NjAwLCJ2ZXJzaW9uIjpudWxsfSwidGZ3X3Nob3dfYmlyZHdhdGNoX3Bpdm90c19lbmFibGVkIjp7ImJ1Y2tldCI6Im9uIiwidmVyc2lvbiI6bnVsbH0sInRmd19kdXBsaWNhdGVfc2NyaWJlc190b19zZXR0aW5ncyI6eyJidWNrZXQiOiJvbiIsInZlcnNpb24iOm51bGx9LCJ0ZndfdXNlX3Byb2ZpbGVfaW1hZ2Vfc2hhcGVfZW5hYmxlZCI6eyJidWNrZXQiOiJvbiIsInZlcnNpb24iOm51bGx9LCJ0ZndfdmlkZW9faGxzX2R5bmFtaWNfbWFuaWZlc3RzXzE1MDgyIjp7ImJ1Y2tldCI6InRydWVfYml0cmF0ZSIsInZlcnNpb24iOm51bGx9LCJ0ZndfbGVnYWN5X3RpbWVsaW5lX3N1bnNldCI6eyJidWNrZXQiOnRydWUsInZlcnNpb24iOm51bGx9LCJ0ZndfdHdlZXRfZWRpdF9mcm9udGVuZCI6eyJidWNrZXQiOiJvbiIsInZlcnNpb24iOm51bGx9fQ%3D%3D&amp;frame=false&amp;hideCard=false&amp;hideThread=false&amp;id=1095770149569753088&amp;lang=en&amp;origin=https%3A%2F%2Fwww.geekwire.com%2F2019%2Fopportunity-mars-requiem%2F&amp;sessionId=e2a763a1218db820ec452e38efb45f13188f0b3c&amp;siteScreenName=geekwire&amp;theme=light&amp;widgetsVersion=6a3ad42b224df%3A1778106238597&amp;width=550px\" data-tweet-id=\"1095770149569753088\"><\/iframe><\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\" data-twitter-extracted-i1782801731018145057=\"true\">\n<p lang=\"en\" dir=\"ltr\">Over 15 years, 28+ Miles traveled, 228,771 images taken and SO much science done. Rest easy now Oppy. #GoodnightOppy #ThankYouOppy @NASA @MarsRovers pic.twitter.com\/zre0CPA0cA<\/p>\n<p>\u2014 Geoff aka Holdfast (@GeoffdBarrett) February 13, 2019<\/p>\n<\/blockquote>\n<p><script async=\"\" src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>Over the years, Opportunity\u2019s support team of scientists and engineers had to figure out work-arounds to get the rover out of numerous jams&nbsp;\u2014 ranging from Martian sand traps, to a bad case of robotic amnesia, to a&nbsp;heater with a stuck \u201con\u201d switch.<\/p>\n<p>Callas speculated that the balky heater may have played a role in Opportunity\u2019s demise. When the rover\u2019s electrical power dwindled, it probably put itself into a low-power mode that scrambled its sense of timing. \u201cIt wouldn\u2019t know when to deep-sleep,\u201d Callas said, and that may have led the rover to keep the heater on and exhaust the last of its energy.<\/p>\n<p>For months, Callas and his colleagues hoped that Opportunity kept enough power in reserve to wake itself up and get back in contact with Earth. But with winter setting in at Opportunity\u2019s location, the team determined that the Martian nights were getting too cold for the electronics to survive.<\/p>\n<p>\u201cEven though it\u2019s a machine, we\u2019re saying goodbye, and it\u2019s hard,\u201d Callas said.<\/p>\n<p>Today\u2019s briefing provided ample opportunity for team members to celebrate Opportunity\u2019s legacy. JPL\u2019s director, Michael Watkins, said Opportunity and Spirit created a \u201cnew paradigm for solar system exploration.\u201d<\/p>\n<p>\u201cA robotic geologist on Mars, and an integrated science and engineering operations team here on Earth, all set out together on a mission of discovery,\u201d Watkins said.\u201dThey didn\u2019t know what they would find, they didn\u2019t know which direction they would go, sometimes from one day to the next, and they made it work.\u201d<\/p>\n<p>The legacy is being carried on by NASA\u2019s nuclear-powered Curiosity rover, which arrived on Mars in 2012 and found even stronger evidence that the Red Planet could have been habitable billions of years ago. NASA\u2019s Mars InSight lander, which touched down on Mars last November, has just finished deploying its scientific instruments and will be monitoring Mars\u2019 interior.<\/p>\n<p>Yet another Mars rover, built on a Curiosity-style chassis with a different set of scientific instruments, will head for a promising target known as Jezero Crater next year. \u201cIf life ever did come to be on Mars, there ought to be evidence of it there,\u201d said Lori Glaze, acting director of NASA\u2019s Planetary Science Division.<\/p>\n<p><iframe title=\"A Lifetime of Opportunity: NASA Mars Rover Completes Its Mission (news briefing)\" src=\"https:\/\/www.youtube.com\/embed\/cnddzE4YSzg?start=749&amp;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>NASA Administrator Jim Bridenstine said such robotic missions will set the stage for human missions to the Red Planet.<\/p>\n<p>\u201cFriends, there is a day coming when we\u2019re going to need the entire NASA family to come together and say, \u2018We\u2019re going to put humans on Mars, and humans are going to be working side by side with landers, and rovers, and robots.\u2019 \u201d<\/p>\n<p>In that future age, will someone visit Opportunity\u2019s resting place? Jennifer Trosper, who served as project systems engineer for the Mars Exploration Rover mission and is playing a similar role in the 2020 Mars rover mission, suggested that future explorers might bring Opportunity and Rover back to Earth.<\/p>\n<p>Bridenstine liked that idea: \u201cBring \u2019em all back,\u201d he joked.<\/p>\n<p>But Squyres had a better idea. He recalled visiting Antarctica and seeing the huts of early explorers\u2019 preserved exactly as they were when the expeditions ended. In Squyres\u2019 view, that would be the most fitting tribute to Spirit and Opportunity.<\/p>\n<p>\u201cWe built them for Mars. That\u2019s the place that they were designed to go. That\u2019s their home. That\u2019s where I would like them to stay,\u201d Squyres said. \u201cAlso, if you had the opportunity to bring 180 kilograms of stuff back from the surface of Mars, the last thing I\u2019d want to bring is something where I know exactly what it\u2019s made of.\u201d<\/p>\n<p>https:\/\/twitter.com\/GlenMaffews\/status\/1095514961940488192<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ths colorized image of the Opportunity rover\u2019s shadow was taken on July 26, 2004, by the rover\u2019s front hazard-avoidance camera as it moved farther into Endurance Crater in the Meridiani Planum region of Mars. (NASA \/ JPL-Caltech Photo) After months of silence from Mars, NASA finally read the rites over its Opportunity rover, hailing the [&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":[367,190,4669,4932],"class_list":["post-18144","post","type-post","status-publish","format-standard","hentry","category-news","tag-mars","tag-nasa","tag-nasa-jpl","tag-opportunity-rover"],"acf":[],"_links":{"self":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/18144"}],"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=18144"}],"version-history":[{"count":0,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/posts\/18144\/revisions"}],"wp:attachment":[{"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/media?parent=18144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/categories?post=18144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starpath.global\/blog\/wp-json\/wp\/v2\/tags?post=18144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}