Like other things in the world, aspects of Unidentified Aerial Phenomena (UAP) come into, and go out of, fashion. The month of May in Australia is a good time to keep your eyes on the skies for one of the rarer occurrences.
One quite rare feature of UAP these days is the fall of what is called "Angel hair." Angel hair is a sticky, fibrous substance which falls from the sky in connection with the sighting of unusual aerial objects. Some of the earliest cases from modern times occurred in France in 1952 (click here to read about these.)
There have been recorded falls here in Australia. Some examples are:
For a very interesting case which I found after I had completed the catalogue see my earlier blog post.