All those moments will be lost in time, like tears in rain.
More than 20 years ago a huge wave of energized interstellar gas was detected passing through the Big Dipper – or The Plough as it's known in the UK. Now astrophysicists think they've figured out the cause of the cosmic commotion: a ripple from a massive supernova explosion passing through the Milky Way. The weird phenomenon, …
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