The gravity of ordinary and supermassive black holes is so strong that, due to the event horizon, they cannot reach us.
In a new work, scientists received similardata from the orbital X-ray telescopes NuSTAR and XMM-Newton, where there was information about the black hole from the center of the I Zw 1 galaxy: the authors observed intensity changes from the black hole’s corona and found a peculiar echo that was delayed by about 12 minutes.
The authors believe that its source was the same interactions between the accretion disk and magnetic fields as earlier X-ray flares.
This means that the distance between the black hole's corona and the event horizon is about four times that between the center point of the black hole and the event horizon.
Scientists plan to continue observations to understand how their magnetic fields and accretion disks interact with each other.
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