[ad_1] Voyager probes left our Solar System years ago, but even as they travel through interstellar space, they are still detecting bursts of cosmic rays from our Sun, more than 23 billion kilometers (14 billion miles) away. A detailed analysis of recent data from both Voyager 1 and Voyager 2 …
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[ad_1] For the first time, physicists have recorded sound waves moving through a perfect fluid with the lowest possible viscosity, as allowed by the laws of quantum mechanics, an ascending glissando of the frequencies at which the fluid resonates. This research can help us understand some of the most extreme …
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[ad_1] Throughout known space, between stars and galaxies, an extremely faint glow pervades, a relic left by the dawn of the Universe. This is the cosmic microwave background (CMB), the first light that could travel across the Universe when it cooled down enough around 380,000 years after the Big Bang …
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