Benvindo di Taninho - "NHU NAXU, RIBA’L KUTELO TA SUMARA MUNDO"

mercredi 6 août 2014

Sonda espacial europeia "Rosetta": 10 anos de viagem


A Sonda espacial Rosetta chegou esta manhã, às 11H30, ao termo da sua longa viagem que durou 10 anos. Percorreu o itineràrio de 6 milhares de kilòmetros no espaço, com a velocidade de 61 mil Km/hora, até chegar ao Cometa Chury. Um progresso cientìfico de envergadura no domìnio espacial. Deu jà as primeiras indicações sobre a temperatura média da superfìcie do Cometa que é de 70 graus negativos.

A Sonda foi enviada em 2004 pela Agência Espacial Européia e é a primeira que entra na òrbita de um Cometa, està equipada de 11 aparelhos cientìficos sofisticados e de câmaras-videos de alta performance. Os cientistas preferiram o Cometa Chury porque é o mais acessìvel ao homem técnicamente, pelo menos por enquanto.
Permanecerà à 10 Km de distância do Cometa, uma distância ideal para melhor cumprir a sua missão de estudar a sua composição, estrutura, para além de tirar fotos e enviar para a Terra. Entretanto no pròximo mês de novembro a Rosetta largarà do seu colo um “Robot” que vai pousar sobre o Cometa Chury.

A principal finalidade desta missão, que vai durar até dezembro de 2015, é de permitir a recolha de indìcios inéditos sobre a evolução do Sistema Solar desde seu nascimento, e saber mais informações sobre a origem do nosso planeta Terra e do começo de vida no seu solo.

Inseri acima uma foto onde pode-se contemplar a imagem da Sonda Rosetta e da do Cometa Chury tirada por ela mesma.

1 commentaire:

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