Missão da Nasa encontra pistas do que tornou Marte inabitável

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[{"selector":"#anim-088c67f3-145c-4fd1-8809-3876a0d60bc0","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1b96a702-2be0-4a6b-afda-33914025f251","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-99af1144-0431-4a59-a7a6-fb21fb1c3572","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-606309ad-75c9-40e5-9d9f-73b1175bd00f","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-66ee1092-e0a8-4383-92d6-bcb326a3b8ed [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-16.263769685130747%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] NASA/JPL-Caltech/MSSS Cientistas usaram o rover espacial Curiosity, da Nasa, para analisar amostras recolhidas na cratera Gale, em Marte

[{"selector":"#anim-3aa94db6-61c6-4939-bbd9-f84be7cef0e6","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-57273a40-c6c7-4eea-ab98-b5cdd94eae51","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c199422e-e644-4e03-81f3-1f1f9e2928a6","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-3c7b44b1-3c35-470f-8a8c-79f778d35231","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-ba2aa9b8-904e-4604-ad96-62b9aab67d9c [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(21.437823660882717%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] O objetivo é descobrir mais sobre as mudanças de clima que transformaram a superfície do planeta vermelho em inóspita para a vida terrestre NASA/JPL-Caltech/MSSS

[{"selector":"#anim-5fa87adf-e298-4031-8ea9-5df8f966b659","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-09bbcec2-9d44-482d-ae3f-ff596d6edb86","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-413f1db7-762d-4a48-b5b7-b51ccfc1b914","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-6af52821-5230-4030-a587-633974904c45","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Os pesquisadores encontraram minerais ricos em carbono que apontam para uma grande quantidade de evaporação de água da superfície NASA/JPL-Caltech/University of Arizona/USGS-Flagstaff/JHU-APL

[{"selector":"#anim-4916aba2-1095-4f92-b934-24f7cd4f0e55","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3416a73e-9e2e-4c6c-b487-f0696f946341","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cd400142-48c2-4158-906b-17f45396ee23","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-166b8783-1b16-4019-baa8-2f3db57c38e1","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-18075925-f782-4ee3-8b4f-9ee2b6488534 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-19.379161654594135%, 0, 0) translate(-25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"fill":"forwards"}] Por meio da análise dos isótopos de minerais ricos em carbono — os carbonatos — encontrados na cratera Gale, os cientistas descobriram que a composição da atmosfera do planeta mudou NASA/MAVEN/The Lunar and Planetary Ins titute

[{"selector":"#anim-44850869-57f3-4b9e-9043-e57a4ce1f56f","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e0eab761-d10b-4c6d-9070-e194fec9b90b","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7e1757b2-d912-465c-a840-f340eecad8f8","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-86871ff7-e9bb-474f-b96b-275a0b5ee816","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-92b6bcca-aaf6-46f6-bea3-612c5e737bed [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(33.93639828612815%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Esses compostos mantêm um registro climático de como o planeta era no passado — permitindo a visualização de como era a temperatura, acidez e composição da água e da atmosfera NASA/JPL-Caltech

[{"selector":"#anim-9938572b-201f-45ba-9e6b-6de3bc84bf67","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6d353d75-a977-41db-8d5f-2a1e5978ca58","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bb1e0824-64db-4943-ac6a-695fa1742ccb","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-5d38c1f6-04a1-47ac-bb4e-343b8a1d7dd5","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-901871f4-bbfa-49df-8b52-0cc4db2fc329 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-16.228693053822134%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Com as amostras de Marte, os cientistas fizeram duas hipóteses sobre as mudanças do clima NASA/JPL-Caltech

[{"selector":"#anim-ef602712-9de2-4725-8ff5-854d9fa2b405","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a0965078-69fc-4620-af71-8e1088551049","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ac3b62f1-0e2c-4dfa-a9a7-a00756c427a9","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-9f3343ed-93f2-4bc3-830e-de7919258ffc","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-7ebeab6f-aefb-41ff-8258-ee32aa7c6264 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(25.030148287869586%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Na primeira, os carbonatos se formam através de ciclos de umidade e seca na cratera Gale; na segunda, os compostos se formam em água muito salgada sob condições de formação de gelo NASA/JPL-Caltech

CNNBRASIL.COM.BR

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