Nine lights moving eastbound (before dimming) across Phoenix sky.

On Thanksgiving night in Phoenix, AZ at around 8:05 to 8:12 local time, we saw multiple orange lights that resembled fireballs. We first noticed 5 in a row that were in a straight line. And then from there we saw 2 more emerge into the night sky, then an additional 2 more after that (for a total of 9 orange lights) and they originated from the west, moving east.
 The lights were bright from the start then slowly began to dim and faded quickly into the night sky, then became virtually invisible to the human eye within about 10 seconds.