I just had a thought after reading about a dying star's ejection material gathering around it's companion star to make a planetary disk. My question:
Is it possible that in our solar system we had such a binary star which has long past blown up and or maybe turned into a singularity of some sort, whether it be black hole or nutron star, which can explain eliptical orbits? If so, would there normaly be some evidence of a singularity other than eliptical orbits? Is there some other mechanism at play?