The Alien structure or "Barnacle" and its surrounding organic growths

An Alien Structure (colloquially referred to as a "Barnacle") consists of an organic growth with a central, ribbed peak surrounded by Organic Structures. They are related in some capacity to Thargoids.

Appearance Edit

At first sight the central column looks very much like a regular, sea-based barnacle sitting on the ground. However closer up, it looks more like a number of individual obelisks make up the structure. At ground level the obelisks do not quite meet, leaving gaps through which a more organic looking material can be seen which radiates a blue-green light. It is approximately 1.5 to 2 times the height of a Scarab SRV.


Alien Structure Barnacle

The peaks of each obelisk is coloured a creamy white, with a strange symbol visible on the side. This is currently the cause of much speculation amongst commanders with many believing it to be a reference to Barnard's Loop, an emission nebula in the Orion constellation.

Interaction Edit

The barnacle appears to be fairly benign, and has so far been unresponsive to interaction. The central column seems to be impervious to damage, with commanders having tried firing on it with a wide range of weapon types.[citation needed] It also cannot be targeted by ship or SRV systems, and doesn't show up on scanners.

There have been reported anomalies near these objects,[citation needed] with ship scanner glitches being fairly common. When nearby, a strange sound can be heard coming from it, which sounds similar to an Unknown Artefacts, but rather sounds more like an animal noise.[1]

Unknown Artefacts (UA) interact with the barnacle via a sort of tractor beam. The barnacle gives off visual and sound effects as any nearby debris slowly rises within the beam towards the UA, only to be dropped back onto the barnacle, having no obvious effect on anything in the end.

Connection to Thargoid InterceptorsEdit

Unknown Ship Barnacle Laser

Unknown Ship Barnacle laser

On June 2, 3303, CMDR Mobiusetti documented the first known interaction between a Thargoid Interceptor and Alien Structures on Pleiades Sector OI-T C3-7 A 6 at coordinates -42.77, -21.70, confirming the two are related. The Unknown Ship approached one Alien Structure, incapacitating any nearby ships and SRVs. The craft then rotated until its propulsion array faced and was aligned with the Alien Structure, before drawing a pulsing beam of light or energy from it for a brief period. The Unknown Ship then departed as rapidly as it arrived. It is possible that Alien Structures serve as refueling stations of some kind for Unknown Ships, and the Meta-Alloys they produce are fuel or repair materials for them, but this is currently only conjecture.[2]

Discovery of large clusters Edit

Barnacle large cluster above

A large cluster seen from above

After September 26, 3303, CMDRs began discovering much larger clusters of Alien Structures. These clusters had grown into a roughly octagonal shape, with crystal-like formations erupting from the ground and linking them together. It is possible that these large clusters are the precursors of future Thargoid Surface Sites. It's also called a Barnacle Forest due to the large scale.

Known Locations Edit

Small clusters Edit

System Planet Surface Coordinates Notes
Merope 5 C -26.35, -156.40 First Alien Structure discovered on Jan. 15, 3302 by CMDR Octo86.[3]
Exhausted (Found 2 Meta-Alloys, Sept. 23)
Pleiades Sector JC-U B3-2 1 22.79, 94.08 Possibly exhausted
Pleiades Sector JC-U B3-2 1 21.91, 96.97 Guarded by turrets and skimmers.


Pleiades Sector JC-U B3-2 1 -8.80, -13.36 Exhausted
Pleiades Sector OI-T C3-7 A 6 -42.77, -21.70 First sighting on Unknown Ship interaction on Jun. 2, 3303 by CMDR Mobiusetti.
Pleiades Sector IX-S B4-4 B 1 -40.46, 25.81 Not guarded

Large clusters Edit

System Planet(s) Surface Coordinates Notes
Witch Head Sector GW-W c1-4 A 4 Planet A 4 features 14 different sites
Witch Head Sector LC-V c2-10 84 sites in system
Witch Head Sector FB-X c1-11 73 sites in system
Witch Head Sector DL-Y d17 36 sites in system
Witch Head Sector HW-W c1-7 31 sites in system
Pleiades Sector JC-U b3-2 51 sites in system
Pleiades Sector IH-V c2-16 41 sites in system
California Sector DL-Y d4 36 sites in system
Hyades Sector AQ-Y D81 C 2 C 2 9.29, -153.98
Pleiades Sector PN-T b3-0 A5 Lat: -4.4946, Long: 145.6557




References Edit

  1. Elite dangerous: Barnacles sound
  2. YouTube: They're Here...
  3. Alien 'Barnacles' Discovered in the Pleiades, GalNet, 15 Jan 3302
  4. Elite Dangerous: Horizons Launch Trailer

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