{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-c03aa079.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-517835be.css\" media=\"all\" /\u003e\n\u003cdiv data-title='NASA briefing on Mars Orbiter' data-url='/boclips/videos/5c54bb2ad8eafeecae123006' data-video-url='/boclips/videos/5c54bb2ad8eafeecae123006' 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\nNASA briefing on Mars Orbiter\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'\u003e1. Image showing diverse materials and morphologies in the region south of Mawrth Vallis on Mars 2. Image showing channels on Terra Sirenum, Southern Hemisphere of Mars 3. Press conference4. SOUNDBITE: (English) Dr. Alfred McEwen,...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003e1. Image showing diverse materials and morphologies in the region south of Mawrth Vallis on Mars \u003cbr/\u003e2. Image showing channels on Terra Sirenum, Southern Hemisphere of Mars \u003cbr/\u003e3. Press conference\u003cbr/\u003e4. SOUNDBITE: (English) Dr. Alfred McEwen, Principal Investigator, High Resolution Imaging Science Experiment (HiRISE), University of Arizona, Tucson:\u003cbr/\u003e\"The kinds of features we've seen that we haven't seen before small scale features like joints, that's places where the rock is fractured but not moved apart and evidence for water flow along some of those joints, we see rocks, lots and lots of rocks at smaller scales, and this tells us a lot about the processes of how for example how the bedrock breaks down and how the rocks vary in size and shape as they move away by erosion, different processes.\"\u003cbr/\u003e5. Image showing the basal layers of Mars' north polar layered deposits on Chasma Boreale\u003cbr/\u003e6. SOUNDBITE (English) Dr. Scott Murchie, Principal Investigator of the Imaging Spectrometer, Johns Hopkins University Applied Physics Laboratory: \"It's been a really dynamic history of change of climate that's recorded in layers of ice, much like the way we would determine Earth's climate change by going back and looking at a core of ice in Greenland, that's the kind of history we're seeing here at Mars.\"\u003cbr/\u003e7. Images showing clay rich materials in the region south of Mawrth Vallis on Mars\u003cbr/\u003e8. Images showing system of gullies in an unnamed crater on Terra Sirenum, Southern Hemisphere of Mars \u003cbr/\u003eNASA scientists said the newest Mars spacecraft is already revealing new clues about both recent and ancient environments on the red planet during its first week of observations from low orbit.\u003cbr/\u003eBetween Sept. 29 and Oct. 6, science instruments on the spacecraft viewed dozens of sites that reflect different episodes in Mars' history.\u003cbr/\u003eThe mission's High Resolution Imaging Science Experiment camera has shown unprecedented detail in orbital images of Mars, according to NASA officials.\u003cbr/\u003eThe high-resolution camera, the imaging spectrometer and the orbiter's wider angle Context Camera were all focused on the Mawrth Vallis region.\u003cbr/\u003eDr. Scott Murchie, Principal Investigator of the Imaging Spectrometer said the images provided evidence of change in weather conditions.\u003cbr/\u003e\"It's been a really dynamic history of change of climate that's recorded in layers of ice,'' Murchie said.\u003cbr/\u003eDetails visible in the new observations, such as small channels, are consistent with past wet conditions, officials said. \u003cbr/\u003e\"The kinds of features we've seen that we haven't seen before small scale features like joints, that's places where the rock is fractured but not moved apart and evidence for water flow along some of those joints,'' said Dr. Alfred McEwen, Principal Investigator, High Resolution Imaging Science Experiment (HiRISE).\u003cbr/\u003eOther views offer details of a mid-latitude valley whose upper layers have been eroded away, revealing an underlying clay layer that formed a few billion years ago, when wet conditions produced the clay, according to NASA.\u003cbr/\u003eThe clay-rich areas show some of the best evidence for conditions possibly favourable for life on ancient Mars, NASA said.\u003cbr/\u003eNASA scientists said they hope the Mars Reconnaissance Orbiter will answer questions 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