How to pronounce“inspiral”in English

We're looking for the continuous waves from the inspiral of a pair of supermassive black holes.

So this phenomenon that was discovered, the inspiraling of two black holes, nobody knew if such things existed.

And so either we should be detecting this background of gravitational waves or we should be detecting gravitational waves from the inspiral

So that's what the signal from one of these overlapping-- sorry, inspiraling binary neutron stars

So there were two discoveries, the first discovery of gravitational waves and the first discovery of inspiraling binary black holes.

So just like the binary neutron star that Hulse and Taylor detected, which were losing energy by inspiraling towards each other, except millions of years further along in their lifespan

The belief, that belief in two days, came because the signal produced a very nice waveform, which very nicely matched the signal from an inspiraling