ELI5: Explain Like I'm 5

GRB 130427A

Okay, so imagine there's a really big explosion in outer space. This is called a gamma ray burst, or GRB for short. One time, scientists saw a GRB that happened on April 27, 2013. It was called GRB 130427A because scientists give things weird names like that.

This particular GRB was really special because it was one of the brightest ones ever seen! It was like a giant light show in space. Scientists also found out that it was really far away from Earth, so it took a really long time for the light from the explosion to reach us.

When the scientists looked at the light from the explosion, they saw that it was made up of different colors, kind of like a rainbow. And they also noticed that the light was coming in waves, like when you jump up and down on a trampoline.

All of this information helped the scientists learn more about how GRBs happen and what causes them. They were really excited because GRBs are still a bit of a mystery, and every new discovery helps us understand more about the universe around us!