Answer
From two thick horizontal paths, create a Blend, 30 steps
Create a Star over the blend, select the Star and the Blend and make a Clipping Mask
Duplicate the Star three times from right to left
Select the Star on the right and go to Menu Object > Clipping Mask > Edit Contents
- Scale the content horizontally from left to right
- Reduce the stroke thickness
- Do the same with the next two Stars
Attribution
Source : Link , Question Author : Frank A Schioppa , Answer Author : Community