Haha, had it been a cement mixer ring bearing, then there would have been another explanation for the reports that it fell red hot from the sky — that they were as fanciful as the reports of mysterious drones infesting New Jersey (which seem to have actually been real planes). For instance, a broken cement mixer part got dumped there and somebody made up a colorful story.
Proper scientific inquiry demands both an open mind and skepticism. That's why I didn't claim "it's definitely a cement mixer ring bearing" with the usual certainty of people arguing on the internet, but attempted to convey the unreliability of my source.
But maybe it really is Space Junk! https://www.youtube.com/watch?v=Z2dcVIEQwEE ("and now my Sally's dead...")
Proper scientific inquiry demands both an open mind and skepticism. That's why I didn't claim "it's definitely a cement mixer ring bearing" with the usual certainty of people arguing on the internet, but attempted to convey the unreliability of my source.