If the center of our galaxy is a black hole, does that mean we can never go to another galaxy?

If we are past the event horizon, which we probably are (our galaxy just isn't that big), then we can never escape the gravitational force of the black hole. It seems logical that not only can we never leave our galaxy, but signals sent out will never leave, and no one outside our galaxy would ever see us. Even... show more If we are past the event horizon, which we probably are (our galaxy just isn't that big), then we can never escape the gravitational force of the black hole. It seems logical that not only can we never leave our galaxy, but signals sent out will never leave, and no one outside our galaxy would ever see us. Even light gets sucked into a black hole.
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