Fade to Black: Death of a Universe

A team of astronomers has published a multi-coloured survey of five chunks of space - and offered the best estimate yet of how fast the Universe is fading. They analyzed the light from 200,000 galaxies in 21 wavelengths and found that the energy output of the Universe has nearly halved in two billion years. This agrees with previous calculations, confirming that the lights are slowly going out right across this spectrum. The drop is largely due to the falling rate at which new stars are formed.

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