The old phrase forever to be associated with Superman, “Look! Up in the sky!” denotes wonder and curiosity about something unknown.
On 23 September we will look up in the sky and see something wondrous and curious.
All sorts of planets and stars and constellations will be lining up in way that makes you ponder the significance of heavenly signs. After all, we are in the 100th anniversary year of Our Lady’s apparitions at Fatima and Our Lord said to watch for signs.
Here is a wiki entry about the 17 Sept event. YES! It has its own entry! HERE
Is this alignment and the patterns of retrograde motion, etc., something to do Revelation 12?
Hard to say.
However, it is going to be beautiful!