Black-holes.org is tracked by us since December, 2014. Over the time it has been ranked as high as 627 599 in the world, while most of its traffic comes from USA, where it reached as high as 138 636 position. It was owned by several entities, from Kip Thorne of Caltech to Mark Scheel of Caltech, it was hosted by California Institute of Technology.

Black-holes has a high Google pagerank and bad results in terms of Yandex topical citation index. We found that Black-holes.org is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, Black-holes.org is quite a safe domain with no visitor reviews.