From Destinypedia, the Destiny wiki
During the second arrival of the Pyramids in the Sol System, a single Pyramid settled over the surface of Jupiter's moon Europa. It holds the key to unlocking Stasis, and plays a major role in the events of Beyond Light.
Overview and Layout
Like its brethren, the outside of the Pyramid's hull is covered in segmented panels that vary in pattern, with some having vertical lines and other with patterns resembling circuitry. Much like the Traveler, the surfaces of the Pyramid seem to be composed of some form of rock-like material, occasionally having an uneven or chiseled appearance, giving the ship an almost handcrafted quality. It seems to be closer in design to its Lunar counterpart in features, bearing a smoother, more pristine exterior, However, unlike the Lunar Pyramid, it is lit up, suggesting that it is active. The inside of the Pyramid is near identical to that of Luna and even features an identical statue of a veiled female that Eris interacted with.
This Pyramid was discovered silently hovering over Europa's surface at some point following the arrival of its brethren months before.