There’s a hole inside our Sun. A mass equivalent to 1,500 Earths has disappeared. Tracking this over time could change the way we see stars. There’s a hole inside our Sun. Right in the middle. A mass the size of 1,500 Earths has simply disappeared. Much of what we know about the Sun’s behavior says it should be there – but when we interpret the data encoded in the Sun’s light, that mass is nowhere to be seen. Analysis of the transmission of sound and light from the Sun’s surface using a new three-dimensional model, as opposed to the usual 2D models, suggests that the Sun has a much different…