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Galactic Ghosts Haunt Their Killers - Universe Today
The title may sound dramatic, but it is very descriptive. New observations of two galaxies have shown huge streams of stars, not belonging inside those galaxies, reaching out into space. These streams are all that are left of galaxies that are now dead, eaten by their cannibal neighbour, now sitting in their place. The streams … Continue reading "Galactic Ghosts Haunt Their Killers"