I don't know if this is normal, but about 10 minutes ago my MacBook Air shut down. I plugged it in and pressed the power button and my screen looked odd for about 20-30 seconds. I decided to take a picture of it because it does this every time my battery dies and I plug it in, so here it is:
See how it looks? I don't know why it's doing this. Does anyone know what this is?
Edit (to @OldPro)
Here's a picture of how the screen normally looks: