{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-572d6a42.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-f4d0de30.css\" media=\"all\" /\u003e\n\u003cdiv data-title='USA/SPACE: MARS POLAR LANDER LATEST (2)' data-url='/boclips/videos/5c54bf33d8eafeecae14152c' data-video-url='/boclips/videos/5c54bf33d8eafeecae14152c' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nUSA/SPACE: MARS POLAR LANDER LATEST (2)\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30356011\" href=\"/search?publisher_ids%5B%5D=30356011\"\u003eCurated Video\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eEnglish/NatWith its trajectory looking good, the Mars Polar Lander faced the greatest challenge of its 11-month journey to Mars on Friday as it manouvered for touchdown near the Red Planet's south pole.The 165 (m)million US dollar...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eEnglish/Nat\u003cbr/\u003eWith its trajectory looking good, the Mars Polar Lander faced the greatest challenge of its 11-month journey to Mars on Friday as it manouvered for touchdown near the Red Planet's south pole.\u003cbr/\u003eThe 165 (m)million US dollar unmanned N-A-S-A probe will help scientists trying to find out if there was once life on Mars.\u003cbr/\u003eDuring it's 90-day mission, the Polar-Lander will measure vapour in the atmosphere\u003cbr/\u003eand collect samples of other elements which will be analyzed by scientists back on earth, for signs of water.\u003cbr/\u003eIt is also carrying a microphone on board that could help earthling's hears sounds for Mars for the first time.\u003cbr/\u003eThe probe was designed to slice through Mars' thin atmosphere at precisely the right angle, separate from its heat shield, deploy a parachute and fire a dozen thrusters before setting down.\u003cbr/\u003eAll this will be done without radio contact with Earth.\u003cbr/\u003eInstead, thousands of lines of computer code from mission control in the Californian city of Pasedena are mapping out the last of the probes final moves for touch down.\u003cbr/\u003eSOUNDBITE: (English)\u003cbr/\u003e\"The space craft is healthy and performing flawlessly up to this point in time.  It's currently off pointed a little bit from the earth so that it's star  camera can acquire a series of star images to determine its orientation in space very accurately.  This is something of critical importance to accomplish prior to entry since the orientation knowledge is used by the space craft's on-board guidance system during its entry into the atmosphere and later a power descent towards the surface.\" \u003cbr/\u003eSUPER CAPTION: Doctor Sam Thurman, Flight Operation Manager  \u003cbr/\u003eThe Polar Lander is expected to slow down from 15,400 miles per hour (24,775 KM per hour) to five miles per hour (eight km per hour) just before touchdown at 2001(GMT).\u003cbr/\u003eEngineers said on Friday the spacecraft remained in excellent shape and is on course to land on the planet's rolling plains only a few miles (kilometers) west of the absolute target point which is well within the accepted range.\u003cbr/\u003eSOUNDBITE: (English)\u003cbr/\u003e\"Remarkably it looks as though we are literally within a few kilometers (miles) of the target site.  After having executed all the planned course trajectories,  it doesn't get much better than that.\"\u003cbr/\u003eSUPER CAPTION: Doctor Sam Thurman, Flight Operation Manager   \u003cbr/\u003eOn this unmanned mission, scientists hope to learn about Mars' climate by studying\u003cbr/\u003elayers of dust and possibly ice during the 90-day mission.\u003cbr/\u003eInstruments will measure vapor in the atmosphere, while a claw on the spacecraft will collect samples to be cooked and analyzed for water.\u003cbr/\u003eEarly on Friday, engineers ordered a final course correction to make a final adjustment to the spacecraft's angle of approach. \u003cbr/\u003eThe probe is carrying a microphone on board which will enable engineers to monitor its progress while on the Red planet.\u003cbr/\u003eOn Friday engineers told reporters what could  happen, once the polar lander touches down.\u003cbr/\u003eSOUNDBITE: (English)\u003cbr/\u003e\"If we don't hear from the probe on the first several passes, it does not mean that the probes have failed.  Our first passes were chosen such that it assumes that the probe lands straight up with the antenna 90-degrees to the horizon.  If the probes come in slightly tilted, it may take several passes of Mars global surveyor flying over in order for the geometry to provide us an adequate link.\"\u003cbr/\u003eSUPER CAPTION:  Sarah Gavit, Deep Space Two Project Manager  \u003cbr/\u003eOnce a link is established not only will scientists be able to monitor the progress of the space craft,  but for the first time eartlings  should be able to hear sounds from the red planet.\u003cbr/\u003e Pasedena, USA, 03 December 1999 XFA\u003cbr/\u003e1. Various animation of probe approaching Mars\u003cbr/\u003e2. Animation of probe entering Mars atmosphere\u003cbr/\u003e3. Various of Probe landing\u003cbr/\u003e4. Wide shot of press conference\u003cbr/\u003e5. SOUNDBITE: (English) Doctor Sam Thurman, Flight Operation Manager \u003cbr/\u003e6. Various animation of Mars\u003cbr/\u003e7. Graphics of spacecraft's landing path\u003cbr/\u003e8. Cutaway of press conference\u003cbr/\u003e9. SOUNDBITE: (English) Doctor Sam Thurman, Flight Operation Manager \u003cbr/\u003e10. Various of animation of space probe crashing through Mars surface\u003cbr/\u003e11. SOUNDBITE: (English) Sarah Gavit, Deep Space Two Project Manager  \u003cbr/\u003e12.  Various animation of probe on mars.\u003cbr/\u003e\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='action-container flex justify-between'\u003e\n\u003cbutton aria-expanded='false' aria-label='Read more description' class='rp-full-description' type='button'\u003e\n\u003ci class='fai fa-solid fa-align-left'\u003e\u003c/i\u003e\n\u003cspan id='read_more'\u003eRead More\u003c/span\u003e\n\u003c/button\u003e\n\u003cdiv class='rp-report'\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv aria-labelledby='resource-details-heading' class='rp-info-section'\u003e\n\u003ch2 class='title' id='resource-details-heading'\u003eResource Details\u003c/h2\u003e\n\u003cdiv class='rp-resource-details clearfix'\u003e\n\u003cdiv class='detail'\u003e\n\u003cdl\u003e\n\u003cdt\u003eCurator Rating\u003c/dt\u003e\n\u003cdd\u003e\u003cspan class=\"star-rating\" aria-label=\"3.5 out of 5 stars\" role=\"img\"\u003e\u003ci class=\"fa-solid fa-star text-action\" aria-hidden=\"true\"\u003e\u003c/i\u003e\u003ci 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class='detail'\u003e\n\u003cdl\u003e\n\u003cdt\u003eDate\u003c/dt\u003e\n\u003cdd\u003e1999\u003c/dd\u003e\n\u003c/dl\u003e\n\u003c/div\u003e\n\u003cdiv class='detail'\u003e\n\u003cdl\u003e\n\u003ci aria-hidden='true' class='fai fa-solid fa-language'\u003e\u003c/i\u003e\n\n\u003c/dl\u003e\n\u003c/div\u003e\n\u003cdiv class='detail'\u003e\n\u003cdl\u003e\n\u003cdt\u003eAudiences\u003c/dt\u003e\u003cdd\u003e\u003cspan\u003e\u003ca href=\"/search?audience_ids%5B%5D=371079\u0026amp;grade_ids%5B%5D=259\u0026amp;search_tab_id=1\"\u003eFor Teacher Use\u003c/a\u003e\u003c/span\u003e\u003c/dd\u003e\u003cdd class=\"text-muted\"\u003e\u003ci class=\"fa-solid fa-lock mr5\"\u003e\u003c/i\u003e2 more...\u003c/dd\u003e\n\u003c/dl\u003e\n\u003c/div\u003e\n\u003cdiv class='detail'\u003e\n\u003cdl\u003e\n\n\u003c/dl\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv aria-labelledby='concepts-heading' class='rp-info-section'\u003e\n\u003ch2 class='title' id='concepts-heading'\u003eConcepts\u003c/h2\u003e\n\u003cdiv class='clearfix'\u003e\n\u003cdiv class='details-list concepts' data-identifier='Boclips::VideoDecorator' data-type='concepts'\u003espace, planets, kilometers, astronomy, mars\u003c/div\u003e\n\u003cdiv class='concepts-toggle-buttons' data-identifier='Boclips::VideoDecorator'\u003e\n\u003cbutton aria-expanded='false' class='more btn-link' type='button'\u003e\n\u003cspan\u003eShow More\u003c/span\u003e\n\u003ci aria-hidden='true' class='fa-solid fa-caret-down ml5'\u003e\u003c/i\u003e\n\u003c/button\u003e\n\u003cbutton aria-expanded='true' class='less btn-link' style='display: none;' type='button'\u003e\n\u003cspan\u003eShow Less\u003c/span\u003e\n\u003ci aria-hidden='true' class='fa-solid fa-caret-up ml5'\u003e\u003c/i\u003e\n\u003c/button\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv aria-labelledby='additional-tags-heading' class='rp-info-section'\u003e\n\u003ch2 class='title' 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