Ondas gravitacionais são ondas de energia que são libertadas por algum fenómeno ou por algum corpo celeste. Estas ondas espalham-se pelo espaço criando deformações no espaço-tempo, como uma pedra quando lançada a um lago, a velocidade da luz, que são capazes de penetrar qualquer matéria sem que haja obstruções destas. Com isto, foi criado o "Event Horizon Telescope" um conjunto de radiotelescópios que poderá apontar para o centro de uma galáxia e fotografa-la, com uma excelente resolução, fornecendo-nos assim imagem extraordinárias do universo.
Para mais informações, clique aqui »https://blogs.scientificamerican.com/dark-star-diaries/how-to-build-an-earth-size-telescope/«
![Resultado de imagem para ondas gravitacionais](data:image/jpeg;base64,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)
Source: https://blogs.scientificamerican.com/dark-star-diaries/how-to-build-an-earth-size-telescope/ |