{"id":2241,"date":"2018-12-03T16:44:26","date_gmt":"2018-12-03T07:44:26","guid":{"rendered":"http:\/\/163.180.4.222\/lab\/?p=2241"},"modified":"2018-12-03T16:44:26","modified_gmt":"2018-12-03T07:44:26","slug":"touchdown-mars-insight-lander-reaches-red-planet","status":"publish","type":"post","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=2241","title":{"rendered":"Touchdown! Mars InSight lander reaches red planet"},"content":{"rendered":"

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Joint US-French-German mission will be the first dedicated to listening for seismic energy rippling through Mars.<\/h6>\n

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\"Illustration<\/div>\n<\/div>
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A NASA illustration shows the Mars InSight lander preparing to touch down.\u00a0<\/span>Credit: NASA\/JPL-Caltech<\/p>\n<\/figcaption><\/figure>\n

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NASA\u2019s InSight spacecraft \u2014 the first geophysical observatory ever sent to Mars \u2014 touched down safely on the Martian surface on 26 November.<\/p>\n

The three-legged lander sent confirmation of its landing, on Elysium Planitia, just before 11:53 a.m. local time in mission control at NASA\u2019s Jet Propulsion Laboratory (JPL) in Pasadena, California. Several hours later, mission managers announced that the InSight’s solar panels deployed successfully, a necessary step for it to collect scientific data.<\/p>\n

Each step of the spacecraft’s landing sequence<\/a>, which lasted just under seven minutes, unfolded as planned. InSight deployed its parachute, jettisoned its heat shield and fired 12 engines to help to slow it down.<\/p>\n

The first photo that InSight sent from the surface of Mars showed a flat, relatively rock-free landscape stretching to the horizon, with the foreground speckled with dust from the landing.<\/p>\n

\u201cIt’s happy. The lander is not complaining,\u201d said Rob Manning, chief engineer at JPL. \u201cIt’s going to chug along the rest of the afternoon on Mars.\u201d<\/p>\n

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\"This<\/div>\n<\/div>
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The first photograph taken by the Mars InSight lander shows the rocky surface of Mars \u2014 and what appear to be specks of dirt on the camera\u2019s protective cover.<\/span>Credit: NASA\/JPL-Caltech<\/p>\n

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Relay race<\/h6>\n

Two small \u2018cubesats\u2019 that had flown alongside InSight conveyed the news of its landing as it happened. They were meant to relay communications in near-real-time from InSight to Earth as the spacecraft screamed through the Martian atmosphere. The slower alternative would have been to wait for an orbiting spacecraft to pass nearby, gather the information and relay it back to Earth hours later.<\/p>\n

InSight\u2019s\u00a0primary goal is to measure \u2018marsquakes\u2019 rippling through the planet<\/a>, which should reveal how the planet is separated into a core, mantle and crust. Scientists can use that information to deduce how Mars and the Earth evolved differently over the past 4.5 billion years.<\/p>\n

The US$994-million spacecraft carries 6 seismic sensors, built by an international team led by the French space agency CNES. Three of them are mounted on the lander\u2019s deck and will monitor shaking in the coming days. These sensors can pick up vibrations such as those caused by Martian winds \u2014 a source of noise that confounded attempts to measure marsquakes with the 1976 Viking landers.<\/p>\n

Three other, more sensitive sensors are nestled inside a round vacuum chamber. InSight will need to pick this chamber off its back and place it on the ground in order to measure marsquakes much more precisely. This step might not happen for a number of weeks.<\/p>\n

Drilling down<\/h6>\n

InSight’s second major instrument is a heat-flow probe, built by the DLR German Aerospace Center in Cologne, to measure soil temperature down to 5 metres. Like the vacuum-packed seismometer, it too awaits deployment in the coming months.<\/p>\n

\u201cBoth need still a last landing on Mars,\u201d says Philippe Lognonn\u00e9, a geophysicist at the Paris Institute of Earth Physics who heads the seismometer team. \u201cThis will be made by the robotic arm, from the deck of the lander toward the ground of Mars.\u201d<\/p>\n

InSight\u2019s was the first Mars landing since the European Space Agency\u2019s Schiaparelli lander crashed in October 2016.<\/p>\n<\/div>\n

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doi: 10.1038\/d41586-018-07540-5<\/div>\n

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\uc6d0\ubb38: \uc5ec\uae30<\/a>\ub97c \ud074\ub9ad\ud558\uc138\uc694~<\/p>\n

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    Joint US-French-German mission will be the first dedicated to listening for seismic energy rippling through Mars.   A NASA illustration shows the Mars(more…)<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[36,29,30],"tags":[],"class_list":["post-2241","post","type-post","status-publish","format-standard","hentry","category-lets-do-physics","category-lets-do-science","category-recent-science-news"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":878,"url":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=878","url_meta":{"origin":2241,"position":0},"title":"The artist who walked on the Moon: Alan Bean","author":"biochemistry","date":"June 11, 2018","format":false,"excerpt":"\u00a0 \u00a0 (\uc6d0\ubb38) \u00a0 \u00a0 Richard Taylor pays tribute to the Apollo astronaut who beautifully meshed science and art. \u00a0 \u00a0 \u00a0 Apollo 12 astronaut Alan Bean\u2019s 1994 painting\u00a0Kissing the Earth\u00a0was inspired by the view as he and his team began their descent to the Moon in 1969. \u00a0 In\u2026","rel":"","context":"In "Essays on Science"","block_context":{"text":"Essays on Science","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?cat=32"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2836,"url":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=2836","url_meta":{"origin":2241,"position":1},"title":"Moratorium for germline editing splits biologists","author":"biochemistry","date":"March 15, 2019","format":false,"excerpt":"\u00a0 \u00a0 A prominent group of 18 scientists and bioethicists from seven countries has called for a global \u201cmoratorium\u201d on human germline editing, the creation of heritable changes in sperm, eggs, or embryos. 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