I don’t think you can achieve a spiral orbit in an area with so little friction, mostly devoid of dust and gas, else the earth would be on one of those too…
I don’t think you can achieve a spiral orbit in an area with so little friction, mostly devoid of dust and gas, else the earth would be on one of those too…
This proof is partial though. This assumes there is only 1 way of obtaining lead. What if lead appeared from fusion in stars younger than that.