{"id":118289,"date":"2024-10-25T18:09:59","date_gmt":"2024-10-25T11:09:59","guid":{"rendered":"https:\/\/hotvideos24.online\/?p=118289"},"modified":"2024-10-25T18:09:59","modified_gmt":"2024-10-25T11:09:59","slug":"spacex-polaris-dawn-crew-reveals-impacts-of-history-making-mission","status":"publish","type":"post","link":"https:\/\/hotvideos24.online\/?p=118289","title":{"rendered":"SpaceX Polaris Dawn crew reveals impacts of history-making mission"},"content":{"rendered":"<p> <script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3711241968723425\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-layout-key=\"-fb+5w+4e-db+86\"\r\n     data-ad-client=\"ca-pub-3711241968723425\"\r\n     data-ad-slot=\"7910942971\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><br \/>\n<\/p>\n<div data-editable=\"content\" itemprop=\"articleBody\" data-reorderable=\"content\">\n<p data-uri=\"cms.cnn.com\/_components\/editor-note\/instances\/cm2nmbzlo001c3b6ml3iydgof@published\" data-editable=\"text\" data-component-name=\"editor-note\" class=\"editor-note vossi-editor-note inline-placeholder \" data-article-gutter=\"true\">\n    <em>Sign up for CNN\u2019s Wonder Theory science newsletter.\u00a0<\/em><a href=\"https:\/\/www.cnn.com\/newsletters\/wonder-theory?source=nl-acq_article\"><em>Explore the universe with news on fascinating discoveries, scientific advancements and more<\/em><\/a>.\n<\/p>\n<p>\n    <cite class=\"source__cite\"><br \/>\n      <span class=\"source__location\" data-editable=\"location\"\/><br \/>\n      <span class=\"source__text\" data-editable=\"source\">CNN<\/span><br \/>\n        \u00a0\u2014\u00a0<br \/>\n    <\/cite>\n<\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nm1rub00cb27p358qzb04d@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Each of the four crew members aboard SpaceX\u2019s Polaris Dawn mission reported different physical sensations during their history-making trip, which sent the private astronauts into a higher orbit around Earth than any human has ventured in decades.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y00073b6mfeceyqsw@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cMy vision acuity started to deteriorate those first few days,\u201d Scott \u201cKidd\u201d Poteet, a former US Air Force pilot, told CNN\u2019s Dr. Sanjay Gupta in a recent interview.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y00083b6mncyi9b73@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            His crewmate Anna Menon, a SpaceX engineer who was the <a href=\"https:\/\/www.cnn.com\/2024\/09\/15\/science\/spacex-polaris-dawn-splashdown-landing\/index.html\">Polaris Dawn mission\u2019s<\/a> medical officer, said she was struck by space adaptation syndrome. It\u2019s a phenonmenon that affects roughly <a href=\"https:\/\/www.colorado.edu\/today\/2024\/02\/29\/space-travel-comes-motion-sickness-these-engineers-want-help#:~:text=As%20a%20result%2C%20roughly%2060,few%20days%20or%20even%20longer.\" target=\"_blank\" rel=\"noopener\">60% to 80% of people<\/a> who travel to orbit, though astronauts rarely openly discuss the ailment.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y00093b6m0zt02eg3@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cIt can be a whole spectrum of experience from lightheadedness, nausea, all the way to vomiting,\u201d Menon said. \u201cI experienced really the whole gamut.\u201d\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000a3b6mrqwp1csq@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Traveling to space \u2014 with its jarring <a href=\"https:\/\/www.npl.co.uk\/resources\/q-a\/are-g-forces-caused-by-gravity\" target=\"_blank\" rel=\"noopener\">g-forces<\/a> and disorienting weightlessness \u2014 can have a variety of effects on the human body, ranging from the uncomfortable to the downright dangerous.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000b3b6m4ghjxc47@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            NASA has long known about and studied these ailments, as the agency\u2019s astronauts have reported such symptoms for decades.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000c3b6m8lmf46sn@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            But the Polaris Dawn mission \u2014 a five-day journey to orbit carried out by the private sector rather than NASA \u2014 sought to take that research further, hoping to unravel some of the most troublesome aspects of spaceflight.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000d3b6mn7y3x0bo@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            During the mission, the crew carried out a variety of health-focused experiments, including wearing special contact lenses that measured the pressure in their eyes and undergoing MRI scans to track changes to the anatomy of their brains.\n    <\/p>\n<div data-uri=\"cms.cnn.com\/_components\/image\/instances\/cm2o1rplf00033b6mcikrfvx7@published\" class=\"image image__hide-placeholder\" data-image-variation=\"image\" data-name=\"polaris03_54026358042_fbe40fb111_o.jpg.jpg\" data-component-name=\"image\" data-observe-resizes=\"\" data-breakpoints=\"{\" image--eq-extra-small=\"\" data-original-ratio=\"0.6668\" data-original-height=\"1667\" data-original-width=\"2500\" data-url=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris03-54026358042-fbe40fb111-o-jpg.jpg?c=original\" data-editable=\"settings\">\n<div class=\"image__container \" data-image-variation=\"image\" data-breakpoints=\"{\" image--eq-extra-small=\"\">\n       <picture class=\"image__picture\"><source height=\"1667\" width=\"2500\" media=\"(min-width: 1280px)\" srcset=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris03-54026358042-fbe40fb111-o-jpg.jpg?q=w_1110,c_fill\/f_webp\" type=\"image\/webp\"><source height=\"1667\" width=\"2500\" media=\"(min-width: 960px)\" srcset=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris03-54026358042-fbe40fb111-o-jpg.jpg?q=w_1015,c_fill\/f_webp\" type=\"image\/webp\"><source height=\"1667\" width=\"2500\" media=\"(min-width: 480px)\" srcset=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris03-54026358042-fbe40fb111-o-jpg.jpg?q=w_1160,c_fill\/f_webp\" type=\"image\/webp\"><source height=\"1667\" width=\"2500\" media=\"(max-width: 479px)\" srcset=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris03-54026358042-fbe40fb111-o-jpg.jpg?q=w_680,c_fill\/f_webp\" type=\"image\/webp\"><img decoding=\"async\" src=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris03-54026358042-fbe40fb111-o-jpg.jpg?q=w_1110,c_fill\" alt=\"The Polaris Dawn crew poses in space, from left: Sarah Gillis, Jared Isaacman, Scott Poteet and Anna Menon.\" class=\"image__dam-img image__dam-img--loading\" onload=\"this.classList.remove('image__dam-img--loading')\" onerror=\"imageLoadError(this)\" height=\"1667\" width=\"2500\" loading=\"lazy\"\/><\/source><\/source><\/source><\/source><\/picture>\n    <\/div>\n<\/div>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000e3b6my9jueuk7@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            The Polaris Dawn team pursued those answers\u00a0because the mission aims to pave the way for more people to venture into space, noted Jared Isaacman, the billionaire founder of payment technology company Shift4. Isaacman helped fund and was commander of the unprecedented mission.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000f3b6m343zvsge@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cSome 600 people have been to orbit in the last 60 years \u2014 more than half have gotten space adaptation syndrome,\u201d Isaacman said. \u201cAnd you\u2019re talking about (mostly government astronauts) \u2014 some of the most highly screened individuals. \u2026 That\u2019s just underscoring the importance of why we have to solve this, if we\u2019re going to<strong> <\/strong>put hundreds or thousands of people in space one day.\u201d\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000g3b6m6871vh64@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            SpaceX\u2019s founding goal is to fly the first humans to Mars and eventually establish a settlement there.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000h3b6mhkre5rt2@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cIf you think of a future where there\u2019s thousands of people living in space and they eventually \u2014 after nine months\u2019 travel \u2014 you get to the surface of Mars, and a huge percentage (of people) have vision changes that make them unable to do their work, unable to read their procedures \u2014 that\u2019s a big problem,\u201d Menon said of why SpaceX hopes to find answers to pressing in-space medical conditions.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000i3b6mec6vmc9z@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            During the September mission, the Polaris Dawn crew conducted the <a href=\"https:\/\/www.cnn.com\/2024\/09\/12\/science\/spacewalk-polaris-dawn-mission-spacex\/index.html\">first commercial spacewalk<\/a> as well as ventured into the lower band of Earth\u2019s Van Allen radiation belts, which are areas within Earth\u2019s magnetic field where pools of radiation from the sun lie trapped.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000j3b6m4z5wf0yc@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Initial reports from the Polaris Dawn crew did not necessarily reveal any specific health effects from radiation exposure, although Isaacman said he saw \u201csparkles or lights\u201d when he closed as eyes, just as other NASA<strong> <\/strong>astronauts who have ventured through high-radiation environments have <a href=\"https:\/\/ntrs.nasa.gov\/citations\/19720018401\" target=\"_blank\" rel=\"noopener\">reported<\/a>. This phenomenon is <a href=\"https:\/\/nlsp.nasa.gov\/view\/lsdapub\/lsda_experiment\/df765d5a-11b8-572e-8df8-810910db2f6a\" target=\"_blank\" rel=\"noopener\">not yet well understood<\/a>.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000k3b6mkbygc2m8@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            However, Poteet said his vision was noticeably less sharp during the first few days in space, which may point to a condition called spaceflight associated neuro-ocular syndrome,<strong> <\/strong>or SANS.\n    <\/p>\n<div data-uri=\"cms.cnn.com\/_components\/image\/instances\/cm2o1sehr00053b6mmciz20x1@published\" class=\"image image__hide-placeholder\" data-image-variation=\"image\" data-name=\"polaris04_53935054579_67f47c21d9_o.jpg.jpg\" data-component-name=\"image\" data-observe-resizes=\"\" data-breakpoints=\"{\" image--eq-extra-small=\"\" data-original-ratio=\"0.6668\" data-original-height=\"1667\" data-original-width=\"2500\" data-url=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris04-53935054579-67f47c21d9-o-jpg.jpg?c=original\" data-editable=\"settings\">\n<div class=\"image__container \" data-image-variation=\"image\" data-breakpoints=\"{\" image--eq-extra-small=\"\">\n       <picture class=\"image__picture\"><source height=\"1667\" width=\"2500\" media=\"(min-width: 1280px)\" srcset=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris04-53935054579-67f47c21d9-o-jpg.jpg?q=w_1110,c_fill\/f_webp\" type=\"image\/webp\"><source height=\"1667\" width=\"2500\" media=\"(min-width: 960px)\" srcset=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris04-53935054579-67f47c21d9-o-jpg.jpg?q=w_1015,c_fill\/f_webp\" type=\"image\/webp\"><source height=\"1667\" width=\"2500\" media=\"(min-width: 480px)\" srcset=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris04-53935054579-67f47c21d9-o-jpg.jpg?q=w_1160,c_fill\/f_webp\" type=\"image\/webp\"><source height=\"1667\" width=\"2500\" media=\"(max-width: 479px)\" srcset=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris04-53935054579-67f47c21d9-o-jpg.jpg?q=w_680,c_fill\/f_webp\" type=\"image\/webp\"><img decoding=\"async\" src=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris04-53935054579-67f47c21d9-o-jpg.jpg?q=w_1110,c_fill\" alt=\"Sarah Gillis wears a special contact lens in this photo taken prior to the Polaris Dawn flight on April 29.\" class=\"image__dam-img image__dam-img--loading\" onload=\"this.classList.remove('image__dam-img--loading')\" onerror=\"imageLoadError(this)\" height=\"1667\" width=\"2500\" loading=\"lazy\"\/><\/source><\/source><\/source><\/source><\/picture>\n    <\/div>\n<\/div>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000l3b6m0iis65t8@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            NASA <a href=\"https:\/\/www.nasa.gov\/image-article\/what-spaceflight-associated-neuro-ocular-syndrome\/\" target=\"_blank\" rel=\"noopener\">estimates<\/a> as many as 70% of astronauts experience this condition, which may be caused by shifting bodily fluid, resulting in pressure changes in the eyes.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000m3b6mlo0quop9@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Poteet\u2019s vision changes may have shown up in the data collected by the special contact lenses worn by the crew, which they nicknamed the \u201ccyborg experiment.\u201d The contacts were designed to collect data on interocular pressure over the course of their mission, Menon said.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000n3b6m8rakf3v9@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cThis is novel because you\u2019re getting long-duration data. And you can then really better understand how that transition occurs over the course of time and especially that early time in space,\u201d she said. \u201cWe are really interested to see what the researchers come back with when they have the chance to look through all this data.\u201d\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000o3b6mfwf6xx1o@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Dr. Allison Hayman, a researcher and associate professor at the University of Colorado Boulder, which led the cyborg experiment, said in September that researchers had not yet received the mission data. She could not be immediately reached for comment this week.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nn7pgd001s3b6mmua1jnbh@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            In all, the Polaris Dawn team carried out 36 experiments on behalf of <a href=\"https:\/\/polarisprogram.com\/science-research\/\" target=\"_blank\" rel=\"noopener\">31 partner institutions<\/a>, including universities and NASA.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1y000p3b6m3hfg79hp@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Back on Earth, Poteet reported that his vision quickly returned to normal.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z000q3b6mbfosqse0@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            And while he had unfortunate vision lapses during the journey, Poteet said he was pleased to report he did not experience any of the nausea typically associated with space adaptation syndrome, which he called \u201cfairly ironic.\u201d\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z000r3b6mxdr11kwp@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cPeople assume there\u2019s a correlation between motion sickness (on Earth) and space adaptation syndrome,\u201d he said. \u201cI have a tendency to get motion sickness in the back of an Uber.\u00a0\u2026 But\u00a0I\u00a0actually\u00a0didn\u2019t\u00a0experience those symptoms (in space).\u201d\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z000s3b6m3baflqli@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Menon noted she wasn\u2019t as lucky.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z000t3b6mj21mr1f9@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cIt really gave me just a huge appreciation for how it can impact your ability to work and get things done, especially in those early adaptation days,\u201d Menon said.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z000u3b6mfze5eq2t@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Before takeoff, Isaacman \u2014 the only crew member with previous space travel experience \u2014 told CNN that medication administered to treat space adaptation syndrome symptoms can put people to sleep for eight hours or so.\u00a0(He led a previous self-funded trip to orbit called <a href=\"https:\/\/www.cnn.com\/2021\/09\/15\/tech\/spacex-inspiration-4-space-tourism-mission-launch-scn\/index.html\">Inspiration4<\/a> in 2021.)\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z000v3b6mxi2da5dq@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Sarah Gillis, a lead SpaceX operations engineer who was a mission specialist aboard Polaris Dawn, also noted that crew members had their blood drawn before and after the mission to evaluate how their bodies processed drugs \u2014 such as <a href=\"https:\/\/www.neoteryx.com\/microsampling-news\/neoteryx-provides-microsampling-devices-onboard-polaris-dawn-mission\" target=\"_blank\" rel=\"noopener\">acetaminophen (or Tylenol)<\/a> \u2014 in orbit versus on Earth.\n    <\/p>\n<div data-uri=\"cms.cnn.com\/_components\/image\/instances\/cm2o1tben00073b6m81xht331@published\" class=\"image image__hide-placeholder\" data-image-variation=\"image\" data-name=\"polaris06_still_21008411_1714028.965_still.jpg.jpg\" data-component-name=\"image\" data-observe-resizes=\"\" data-breakpoints=\"{\" image--eq-extra-small=\"\" data-original-ratio=\"0.5625\" data-original-height=\"1080\" data-original-width=\"1920\" data-url=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris06-still-21008411-1714028-965-still-jpg.jpg?c=original\" data-editable=\"settings\">\n<div class=\"image__container \" data-image-variation=\"image\" data-breakpoints=\"{\" image--eq-extra-small=\"\">\n       <picture class=\"image__picture\"><source height=\"1080\" width=\"1920\" media=\"(min-width: 1280px)\" srcset=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris06-still-21008411-1714028-965-still-jpg.jpg?q=w_1110,c_fill\/f_webp\" type=\"image\/webp\"><source height=\"1080\" width=\"1920\" media=\"(min-width: 960px)\" srcset=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris06-still-21008411-1714028-965-still-jpg.jpg?q=w_1015,c_fill\/f_webp\" type=\"image\/webp\"><source height=\"1080\" width=\"1920\" media=\"(min-width: 480px)\" srcset=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris06-still-21008411-1714028-965-still-jpg.jpg?q=w_1160,c_fill\/f_webp\" type=\"image\/webp\"><source height=\"1080\" width=\"1920\" media=\"(max-width: 479px)\" srcset=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris06-still-21008411-1714028-965-still-jpg.jpg?q=w_680,c_fill\/f_webp\" type=\"image\/webp\"><img decoding=\"async\" src=\"https:\/\/media.cnn.com\/api\/v1\/images\/stellar\/prod\/polaris06-still-21008411-1714028-965-still-jpg.jpg?q=w_1110,c_fill\" alt=\"Jared Isaacman receives an MRI brain scan after returning to Earth from the Polaris Dawn mission, a five-day venture into Earth's orbit that launched on September 10.\" class=\"image__dam-img image__dam-img--loading\" onload=\"this.classList.remove('image__dam-img--loading')\" onerror=\"imageLoadError(this)\" height=\"1080\" width=\"1920\" loading=\"lazy\"\/><\/source><\/source><\/source><\/source><\/picture>\n    <\/div>\n<\/div>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z000w3b6mr2dvaijt@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Another experiment that the Polaris Dawn crew underwent to understand in-space ailments involved a series of MRI scans just before liftoff and immediately after returning to Earth.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z000x3b6mwjlrnj0i@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            The crew even had a portable imaging machine right outside their quarantine facility, Isaacman said. Doing so allowed the team to collect data even faster than NASA has collected such scans on astronauts after returning from space, Menon said.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z000y3b6mb57vaknj@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cEven those MRI results show changes to the brain anatomy,\u201d she said.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z000z3b6mgyn2kc4b@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            The changes have included brains shifting upward in astronauts\u2019 skulls, according to Dr. Donna Roberts, deputy chief scientist at the ISS National Laboratory who has spent <a href=\"https:\/\/www.nejm.org\/doi\/full\/10.1056\/NEJMoa1705129\" target=\"_blank\" rel=\"noopener\">years researching<\/a> the affects of spaceflight on brain structure. Roberts on Thursday noted that initial reviews of the MRI data \u201cdid not show any clinically concerning findings.\u201d\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z00103b6m3a8yjkky@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Spaceflight can also enlarge fluid-filled cavities at the center of the brain, called ventricles, Roberts added.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z00113b6m195351b4@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cWe don\u2019t quite understand why that\u2019s happening,\u201d she said.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z00123b6mssg8bfo1@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Gillis, whose job at SpaceX includes training NASA astronauts headed for orbit, said in a CNN interview before liftoff that \u201chuman spaceflight is not going to be glamorous all the time\u201d because of the discomfort microgravity can wreak on the human body.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z00133b6md5cl0rpv@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Upon her return, Gillis reflected on the effects. \u201cIt\u2019s been so incredibly fascinating to actually go through all of those changes to see how your body responds, and how the fluid shift impacts you, and how all of your organs kind of shift inside you,\u201d she said.\n    <\/p>\n<p class=\"paragraph inline-placeholder vossi-paragraph\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cm2nmbp1z00143b6mybxalr7y@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cWe don\u2019t thrive without atmosphere, without oxygen,\u201d Gillis added. \u201cI think that really just underscores the importance to me of the research we are doing, the data we\u2019re collecting.\u201d\n    <\/p>\n<\/p><\/div>\n<p><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3711241968723425\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-layout-key=\"-fb+5w+4e-db+86\"\r\n     data-ad-client=\"ca-pub-3711241968723425\"\r\n     data-ad-slot=\"7910942971\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><br \/>\n<br \/><div data-type=\"_mgwidget\" data-widget-id=\"1660802\">\r\n<\/div>\r\n<script>(function(w,q){w[q]=w[q]||[];w[q].push([\"_mgc.load\"])})(window,\"_mgq\");\r\n<\/script>\r\n<br \/>\n<br \/><a href=\"https:\/\/www.cnn.com\/2024\/10\/25\/science\/spacex-polaris-dawn-astronaut-health\/index.html\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sign up for CNN\u2019s Wonder Theory science newsletter.\u00a0Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN \u00a0\u2014\u00a0 Each of the four crew members aboard SpaceX\u2019s Polaris &hellip; <a href=\"https:\/\/hotvideos24.online\/?p=118289\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8628],"tags":[],"class_list":["post-118289","post","type-post","status-publish","format-standard","hentry","category-science","entry"],"_links":{"self":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts\/118289","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=118289"}],"version-history":[{"count":0,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts\/118289\/revisions"}],"wp:attachment":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=118289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=118289"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=118289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}