Astronomers see such jets in other galaxies. If it happened here, it could explain why the Milky Way has been accessorizing.

天文学家在其他星系中看到了这样的气流。如果这曾发生在银河系的话，这就可能解释为什么银河系被装饰成这样了。

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Astronomers see such jets in other galaxies.

天文学家在其他星系中看到了这样的气流。

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This scenario may explain why only 10% of active galaxies have radio jets, and how active galaxies evolve over time.

这种假设或许可以解释为什么活跃星系中只有10%存在喷流，以及它们如何持续演变。

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Active galaxies emit jets of light - up to trillions of times more energetic than the light we see - and a blazar is one with a jet pointing toward the Earth.

BBC: Blazar Markarian 421's flare-up is cosmic coincidence