2022/05/08

Echoes of a black hole


Simulations of the light echoes off of the accretion disk around a maximally spinning (“Kerr”) black hole. The white circle indicates the location of the black hole event horizon, and the echoes of light are color-coded by their observed frequency, which can be distorted by Doppler shifts and by the strong gravity of the black hole. The simulation has been sonified such that lower frequency light corresponds to a lower pitch sound.

Todays Latin - Cui Bono

 cui bo·no

[kwē ˌbōnō]
EXCLAMATION
  1. who stands, or stood, to gain (from a crime, and so might have been responsible for it)?
ORIGIN
Latin, ‘to whom (is it) a benefit?’.