New Horizons measures how dark the universe can get

As black as space may seem, even the darkest corner of the universe gets light. Measuring that tiny glimmer — called the cosmic optical background (COB) — sheds light on the energy balance of the entire universe, one of cosmology’s holy grails. With recent data gathered by the New Horizons spacecraft, now 57 times fartherContinue reading “New Horizons measures how dark the universe can get”

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