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If there's one thing we know about the universe, is that there are huge swathes of it that we don't understand — in fact, most of it we can't even see.
We already knew about Dark Matter and Dark Energy, two despairingly complex and confusingly named pillars of the invisible cosmological infrastructure that has so far evaded detection.
Now to their ranks we can add “dark light”, after a team at CU Boulder found using data from Hubble that up to 80% of light in the universe is “missing”.
Using the Cosmic Origins Spectrograph, a $70 million instrument on Hubble to study the “tendrils” of hydrogen that connect galaxies across the vast wastes of space, the team found an inconsistency that — currently — makes no sense …. http://www.huffingtonpost.co.uk