<ul><li>Supermassive black holes can grow quickly due to the powerful jets they produce.</li><li>Black holes have a strong gravitational pull, but surrounding matter is more likely to orbit around it than fall directly in.</li><li>Jets of high-velocity plasma from black holes can pull rotational motion from surrounding material, allowing it to fall into the black hole and facilitating rapid growth.</li><li>Observing jets from the earliest period of the cosmos is challenging, but recent discoveries suggest that early black holes created jets, allowing them to appear early in cosmic time.</li></ul>

How Did Black Holes Grow So Quickly? The Jets

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