How does a supermassive black hole contribute to the creation of a rogue star?
Answer
By using tidal forces to eject a companion star
When a multi-star system, such as a binary pair, wanders into the extreme gravitational environment of a supermassive black hole, it faces immense tidal forces. These forces are strong enough to rip the system apart. The black hole typically captures one of the stars into an orbit, while the other star is flung outward at extreme velocity. This acceleration can be so intense that the ejected star gains enough kinetic energy to completely escape the gravitational pull of its host galaxy, effectively becoming a rogue star.
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