submission by jtoy
   x = 0
function setup(){
  rads = [700,600,500,300,200,100]
  var myCanvas = createCanvas(800,800); //you must keep this line unmodified
  
 starsx = []  
 starsy = []
  for(var x=0;x < 500 ;x +=1){
    starsx.push(random(800))
    starsy.push(random(800))
  }

  

}

function draw() {
  background(0)
  for(var ii=0;ii<starsx.length;ii++){
    ellipse(starsx[ii],starsy[ii],3,3)
    
  }

  for(var ii=0;ii<starsx.length;ii++){
    rect(starsx[ii]/2,starsy[ii],30,3)
    
  }

  for(var ii=0;ii<starsx.length;ii++){
   fill(starsx[ii],starsx[ii]/4,starsx[ii]/4)
    rect(starsx[ii],starsy[ii]/3,30,3)
    
  }
 


  
}