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Dark holes are not infinite vacuum cleaners; they don't suck everything in.

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 They have immense gravitational force due to their density.

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 Earth-facing black holes called blazars shoot jets of energy towards us.

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Blazars, billions of times more massive than the Sun, pose no threat to us.

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 Dark holes destroy matter that comes too close, forming an accretion disk.

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Some black holes emit opposing jets of gas into space.

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The largest black holes in galaxies emit the most light into space.

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Blazars offer different perspectives, like observing a peacock from different angles.

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 Black holes are located at vast distances from Earth.  Astronomers study them using harmless radio wave observations.

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