The urns in prometheus

@genjitsu17 Yes the Urn does seem to have multiple substances and parts to it. The Frozen Urn David pulls out seems to contain some kind of vial/ampule thats made of a kind of glass or frozen jelly type material that contains the goo that Holloway was infected with. This Urn also had a blacky grey slimmy oil substance inside as well, the purpose who knows maybe yes its some kind of accelerate or maybe something that is able to keep the inner goo contained some kind of material that allows the substance to be stored indefinitely. It could combine both those kinds of materials. The one thing i noticed and concluded is that some part of the Urn contains Xeno DNA and so yes as Holloway was infected that led to Shaws Baby which had the most Xeno DNA in the movie then i would have to assume that the black stuff (well outer blacky slime) mixes with some Alien DNA material and they react with each other to then produce the Black Oil substance. As far as the atmospheric changes well yes that seems to be what triggered the Urns to leak some how, the one that David had did not because he froze the Urn. Could it be temperature changes? If so it has to be from the body heat generated by the crew? Could it be something we breath out maybe CO2 that affects the Urns, as they only seem to leak once the crew had taken off their helmets. Which brings me to the Space Jockey Suits...... The air inside the temple and the Juggernaut was breathable to Humans and the Engineer, so why did the Ghost Engineers and Dead Bodys have the Suits on? The last Engineer did get to Shaw on the Life boat from his crashed Juggernaut with what apears to be no Space Jockey Suit so maybe for short periods he can tolerate the hostile atmosphere outside the temple? Which makes me think the purpose of the Space Jockey suits that those dead Engineers had on was as a Bio Suit, and that it simply prevents contamination with the Urns, it may offer limited protection from the Black Goo etc, but more so i feel they protect the Urns from being activated. As the crew seemed to activate them when they had taken off their Helmets, i can only assume the purpose of the Space Jockey suits was to stop the Engineers from activating the Urns just as the Human Crew did once they had taken off their helmets.

@fader I think that there might be a connection, but how do you explain that in the end the engineer "gives birth" to a Xeno? Engineer DNA+Engineer DNA=Xeno? Doesn't make sense. Something else must be happening.

@geopap, from what I gathered from the original script for Alien, previously called StarBeast, it paralles with Alien and Prometheus. StarBeast they find these canisters with the facehugger in them in a pyramid. In the pyramid there a many murals w/strange horrific creatures. I assumed that the canisters contained many different alien type creatures or perhaps dna.... Also when the exployer returns back to their ship, they bring the head of the engineer back to their ship the day before he gets infected by the facehugger in the pyramid. I think that the seed of the Engineer is mixed w/alien dna is what is contained in the urns of Prometheus. If you get a chance, read the script of StarBeast, later rewritten for Alien...

@fader Thanks I will read this! :)