Mostrar mensagens com a etiqueta Einstein. Mostrar todas as mensagens
Mostrar mensagens com a etiqueta Einstein. Mostrar todas as mensagens

sexta-feira, 27 de julho de 2018

Estrelas e buracos negros

https://www.independent.co.uk/news/science/star-black-hole-einstein-relativity-proof-light-a8466041.html

Citando:
"Einstein's 100-year-old general theory of relativity predicted that light from stars would be stretched to longer wavelengths by the extreme gravitational field of a black hole, and the star would appear redder, an effect known as gravitational red shift."

sexta-feira, 22 de junho de 2018

Relatividade geral válida noutra galáxia

... conforme esperado:
https://www.independent.co.uk/news/science/einstein-proof-general-relativity-gravity-universe-expanding-a8410646.html

domingo, 25 de setembro de 2016

Expansão do universo uniforme

Universo com expansão uniforme (o que é compatível com os modelos actuais, inclusive o de Einstein):
http://www.ibtimes.co.uk/universe-expanding-all-directions-all-time-1582997
Citando:
"Lead author Daniela Saadeh added: "You can never rule it out completely, but we now calculate the odds that the universe prefers one direction over another at just 1 in 121,000. We're very glad that our work vindicates what most cosmologists assume. For now, cosmology is safe.""