Spaceflight

"I'm not saying it's aliens, but..."

Since about a week, every orbital origin hypothesis have been debunked and we should consider other explanations.
Looks like the outer ring that you would fit on an industrial scale chemical reactor to rotate it for mixing. So my guess is some illegal chemical activities that went boom.

That looks like a turret ring. Boy those russian tanks do send a turret flying

Good effing gracious in tired of that click bait, especially regurgitated click bait like this, it was in the news last week, they knew what it was and where it came from, and now suddenly they're clueless? The only ones clueless are the editors of this garbage.