A star cluster has broken away from a galaxy and is hurtling in the direction of Earth at more than 2,000,000mph, US astronomers have discovered. The star cluster may have wandered too close and was then flung like a slingshot at tremendous speed on a fast journey to nowhere. Nelson Caldwell, lead author of the study , said astronomers have found runaway stars before, but this is the first time they have found a runaway star cluster. The team spent years studying space around M87, separating star clusters from individual stars and galaxies by colour.
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