In space, no one can hear you scream. You may have heard this saying. It’s the tagline from the famous 1979 science fiction movie “Alien.” It’s a scary thought, but is it true? The simple answer is ...
NASA has known that the black hole at the center of the Perseus Galaxy creates sound since 2003. Scientists there have finally isolated the noise and shared it. It’s undeniably haunting but also a ...
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