'Lopsided' supernova could be responsible for rogue hypervelocity stars

Hypervelocity stars have been observed traversing the Galaxy at extreme velocities (700 km/s), but the mechanisms that give rise to such phenomena are still debated. Astronomer Thomas M. Tauris argues that lopsided supernova explosions can eject lower-mass Solar stars from the Galaxy at speeds up to 1280 km/s. "[This mechanism] can account for the majority (if not all) of the detected G/K-dwarf hypervelocity candidates," he said.

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