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Projeto SETI quer deixar de ser passivo
• SETI é um projeto que
busca por sinais de vida
inteligente no espaço,
principalmente através
de um radiotelescópio
gigante (radiotelescópio
de Arecibo) que fica em
Porto Rico e foi
construído dentro da
cratera de um vulcão
extinto.
• Essa antena possui 305 metros de diâmetro e é considerada a maior do mundo. Esse observatório
funciona 24 horas por dia. O objetivo do projeto SETI é captar sinais de rádio originados por
civilizações extraterrestres avançadas. É como se você usasse um rádio receptor para tentar
escutar a conversa dos outros... Nesse caso a conversa de seres inteligentes de outros planetas.
• Até hoje foram captados vários sinais de origem natural e 37 sinais (que não foram
explicados), entre eles o mais famoso de todos, o sinal “Wow, Esse sinal foi recebido
pelo radiotelescópio Big ear, em 1977, e teria vindo da constelação de Sagitário em
uma frequência de 1420.4556 MHz.
• Até agora o programa SETI agiu de forma passiva, ou seja,
apenas tentou ouvir sinais vindos do espaço. No entanto,
porém, algumas lideranças do projeto estão propondo uma
busca ativa, que iria mandar sinais de rádio para o espaço,
na esperança de que civilizações extraterrestres possam
captar esses sinais.

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Projeto SETI quer deixar de ser passivo

  • 1. Projeto SETI quer deixar de ser passivo • SETI é um projeto que busca por sinais de vida inteligente no espaço, principalmente através de um radiotelescópio gigante (radiotelescópio de Arecibo) que fica em Porto Rico e foi construído dentro da cratera de um vulcão extinto.
  • 2. • Essa antena possui 305 metros de diâmetro e é considerada a maior do mundo. Esse observatório funciona 24 horas por dia. O objetivo do projeto SETI é captar sinais de rádio originados por civilizações extraterrestres avançadas. É como se você usasse um rádio receptor para tentar escutar a conversa dos outros... Nesse caso a conversa de seres inteligentes de outros planetas. • Até hoje foram captados vários sinais de origem natural e 37 sinais (que não foram explicados), entre eles o mais famoso de todos, o sinal “Wow, Esse sinal foi recebido pelo radiotelescópio Big ear, em 1977, e teria vindo da constelação de Sagitário em uma frequência de 1420.4556 MHz.
  • 3. • Até agora o programa SETI agiu de forma passiva, ou seja, apenas tentou ouvir sinais vindos do espaço. No entanto, porém, algumas lideranças do projeto estão propondo uma busca ativa, que iria mandar sinais de rádio para o espaço, na esperança de que civilizações extraterrestres possam captar esses sinais.