Forbidden Planet

Category:Anomalies
 is an anomaly in Starcom: Unknown Space 
Anomaly text: "The lander touches down a few hundred meters from an enormous pyramid. Its sides are segmented into irregular protrusions. Penetrating radar shows there is some interior cavities, but no obvious way in. The team spends a considerable amount of time circling the pyramid and investigating its various facets before (...) "
(spoilers!)
 
Encountered as part of: 
Remarks: Diplomacy or combat may be your only options.