People are saying that The Pillars Of Creation have been destroyed, and will take 400-500 Million light years to reach us. Can someone explain how do we know it when the light hasn’t reached us?

Question

People are saying that The Pillars Of Creation have been destroyed, and will take 400-500 Million light years to reach us. Can someone explain how do we know it when the light hasn’t reached us?

In: 1444

Answer 1

Well, it will take around 6000 years, not 500 million.

We don’t know, it’s a prediction based on observing other space objects. Based on what we’ve seen before they expect the same to happen