Nasa registra nuvens coloridas e brilhantes no céu de Marte

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[{"selector":"#anim-c10dbb4b-c807-4be3-9c0f-5e3d406188f9","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6f8b07a5-4491-4ed8-8050-9e9f6bd04d0d","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7de6ea3e-fa7c-4b7d-9718-3fda009f60a6","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-c4f400c6-e72b-4a81-b46b-c4f789b1d5af","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] NASA/JPL-Caltech/MSSS O rover Curiosity da Nasa capturou imagens de nuvens iridescentes com tons de vermelho e verde flutuando pelo céu de Marte

[{"selector":"#anim-46bf7465-31a0-498e-90a5-3aeb879e5c4b","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-58b6c01b-87fc-4264-b1cc-7a4d15e0ac98","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6e395be7-5a83-4aea-b0cb-359fee7d293f","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-5c306fcd-fb54-44c2-a2cf-de83620ee04c","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Os registros mostram um fenômeno chamado pelos astrônomos de nuvens noctilucentes (latim para “brilho noturno”): nuvens crepusculares que ganham cores diferentes por conta da dispersão da luz do Sol se pondo NASA/JPL-Caltech/MSSS/SSI

[{"selector":"#anim-3d867e7f-8964-415c-a3d2-7f5068c8fa78","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-898ba3bf-4b4d-47ae-9a53-a0725eb04199","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1eac7d51-58c9-4423-bc6d-c52f9f0476d1","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-256b106f-e3e1-4a58-85d1-bad95336e562","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Essas nuvens podem criar um arco-íris de cores iridescentes, como um efeito de “madrepérola” NASA/JPL-Caltech/MSSS/SSI

[{"selector":"#anim-6ddf1972-0444-4cce-8881-af6d2453b879","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-085426d5-3eab-4061-9b6b-b531af76a43b","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cf4f42ac-4e91-45fc-a78d-d0e3d08607b9","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-df4eb986-045f-42be-ac3a-8599e2a96ff2","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Como este brilho é tênue demais para ser visto a luz do dia, ele só pode ser registrado após o pôr do sol, quando as nuvens estão altas NASA/JPL-Caltech/MSSS/Texas A&M University

[{"selector":"#anim-ce611002-94d5-4f4b-bbb1-45048c8e7dd5","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-67b2dcab-867a-45ca-8dab-f2ecff77516a","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3b44df07-31e4-441a-bbb4-0ba6e126e346","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-f655c10f-e897-4da7-bad7-56e60044c683","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] As nuvens marcianas se parecem com as da Terra, mas são feitas de gelo de água e, em maiores altitudes, gelo de dióxido de carbono NASA/JPL-Caltech

[{"selector":"#anim-01e19ba9-570a-407e-82ce-12cc66f4de91","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cc140cad-7b02-4ec0-8902-5a450e752d18","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-edecd7ac-3dd8-4f17-93d1-931f580ba8a4","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-4a3f95c4-32d8-43c7-ade6-0128eabdde7e","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] A atmosfera de Marte é composta por mais de 95% de dióxido de carbono, que pode produzir o fenômeno da iridescência NASA/JPL

CNNBRASIL.COM.BR

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