#2217 - Brian Cox

5564.84 - 5588.085 Brian Cox

And they go out and we know what speed they go through that plasma. So it's almost like you're looking at a pond and you're throwing stones into the pond. And they all land in the pond at the same time and send ripples out, little circular ripples in the pond. And they all overlap. And that's what that pattern is. So we're looking at sound waves going through this plasma. And those theories...