‘Space junk?’ What is the ‘foamy’ mystery object that washed ashore on an SC beach?

https://www.charlotteobserver.com/news/local/article219544575.html

Any theories? Could it be from one of Challenger's SRBs (nozzle?)? Video shows that they separated relatively intact, but I don't know what they recovered.

Submitted October 07, 2018 at 07:32PM by PlanetTesla https://ift.tt/2PnUh5P