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Notícias | Comunitária 87.9 FM
Início Notícias Meteoro que caiu na Terra em 2014 seria intestelar Voltar

Meteoro que caiu na Terra em 2014 seria intestelar

Meteoro que caiu na Terra em 2014 seria intestelar

O meteoro conhecido como CNEOS 2014-01-08 que caiu ao longo da costa nordeste de Papua Nova Guiné, no  dia 8 de janeiro de 2014, pode ser o primeiro meteoro interestelar conhecido a atingir a Terra, segundo investigadores.

De acordo com documento militar norte-americano, a rocha espacial pode ter origem para lá do sistema solar, mas o debate entre a comunidade científica está aceso e há muitas contas a serem feitas em torno da velocidade.

Bolas de fogo

Loeb e Siraj explicam que fizeram a descoberta enquanto procuravam "bolas de fogo rápidas, o tipo de meteoro que atinge a nossa atmosfera superior a tal velocidade que sugere ter vindo do espaço interestelar".

Os cálculos do estudo, em 2019, não tiveram grande aceitação na comunidade científica, mas agora surgiu um documento do Comando Espacial dos Estados Unidos, dirigido ao cientista-chefe da Nasa Thomas Zurbuchen, esclarecendo que tinham sido reavaliados os resultados de há três anos.

 

Esta interpretação, feita pelo Departamento de Defesa dos Estados Unidos, também responsável pelas operações militares no espaço sideral, aponta para que as medições de Loeb e Siraj são corretas.

"Joel Moser, cientista chefe do Comando de Operações Espaciais, componente de serviço da Força Espacial dos Estados Unidos do Comando Espacial dos EUA, reavaliou a análise de dados adicionais disponíveis para o Departamento de Defesa relacionados a essa descoberta. O doutor Mozer confirmou que a estimativa de velocidade relatada à Nasa é suficientemente precisa para indicar uma trajetória interestelar", indica uma carta citada pela CNN [Cable News Network].

Siraj, ao receber a notícia, disse ter ficado surpreso: "pensei que nunca saberíamos a verdadeira natureza desse meteoro. Pensei que o estudo tivesse sido bloqueado em algum lugar do governo depois das nossas muitas tentativas. Ao ver aquela carta do Departamento de Defesa com meus próprios olhos foi um momento realmente incrível".

 

*Informações: RTP - Washington





Autor: Comunitária 87,9 FM

Data da Postagem: 14/04/2022 16:00:00

Fonte: Redação Portal In Foco RS /Foto:Reprodução Clima ao Vivo