The model is a circle of parallel lines that , when defocused , appear as the continuous band of the milky way across the sky .
An example of this is in the D2 's built - in milky way model .
The model is a model of parallel lines that , when defocused , appear as the continuous band of the milky way across the sky .
An example of this is in the D2 's built - in milky way model .