At its discovery, it was identified as the largest and the most massive known structure in the observable universe, though there are some issues about the structure (see "Dispute" section below).
At its discovery, it was identified as the largest and the most massive known structure in the observable universe, though it has been superseded by the Hercules-Corona Borealis Great Wall (10 bly). There are also issues about its structure (see "Dispute" section below).