Gate of Mahg Mar
Term for the Stargate among the locals on P3X-289. Once discovering this site, the people deduced that it was a centerpiece in the worship of the goddess Morrigan. The Gate was removed from Mahg Mar and put on display in the Museum of National History.
Revisions - SG-1 encounters the people of P3X-289, and learn of the "Gate of Mahg Mar."