As we know, SG Teams exploring other planets do so with star gates. Star gates are based on wormholes.

How does the team stay alive when going through the wormhole? As I know, wormholes don't have standard oxygen and temperature levels.

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    Are the transition times between entering one stargate and exiting another so long that they'd have to hold their breath? I never got that impression from the show (though it has been a while since I watched it).
    – user107907
    Mar 6, 2019 at 11:03
  • I've edited this to try and improve some of the grammar in places, if you feel like I've changed the meaning of your post or you just simply don't like my changes please edit your post.
    – TheLethalCarrot
    Mar 6, 2019 at 11:07
  • Logically theory. In the first episode, team exited from Stargate as little frozen. Thanks @TheLethalCarrot for grammar edit Mar 6, 2019 at 11:07
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    "The Stargate creates its own event horizon just in front of the wormhole and dematerializes any object attempting to pass through it so it is not damaged or killed by the deadly low temperatures." stargate.fandom.com/wiki/Wormhole Mar 6, 2019 at 11:09
  • The original film seemed to indicate that the time spent in the wormhole is brief, but non-trivial. Mar 6, 2019 at 11:10

2 Answers 2


They dont, they're ripped into their constituent particles per the Stargate wiki: https://stargate.fandom.com/wiki/Stargate

"Travel through a Stargate is strictly one-way: from the dialing gate to the receiving gate. This is not a limitation of the wormhole, but of the technology; wormholes will transmit anything that enters them, but no solid matter could survive the process. Thus, each gate in the pair takes on a specific role: the dialing gate converts the traveler into its most basic components (sub-atomic particles) and transmits it, while the receiving gate reassembles the transmitted matter back into its original form. Doing the reverse is not only fatal for the traveler, but would just result in the dialing gate deconstructing the object upon arrival, converting it into energy much like the process of ascension."

So really, they're not actually alive during transmission anyway.

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    You mean it's similar to beaming up tech. Mar 6, 2019 at 11:29
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    Kerem, per my understanding, yes it is similar to transporter tech in Star Trek
    – Nick
    Mar 6, 2019 at 12:02
  • Beam me up Scott! Mar 7, 2019 at 5:36
  • Interestingly, Carter suggests several times (at least one was in Prodigy) that the one-way travel restriction comes from wormhole physics, rather than (or, at least, in addition to) from the Stargate technology itself. Aug 22, 2019 at 13:37

The original script for Stargate (the Movie) indicates that the users of the stargate are torn apart into their constituent atoms, translated through another dimension and then re-constituted at the other end. The swirly-vortex-water-flume effect we while they're traveling see is from the perspective of the audience, not the traveler.

Daniel shuts his eyes and steps into the beam.

Before our eyes we SEE Daniel broken down to the molecular level…

…he enters another dimension. A fourth dimension…

…traveling over millions of light years outside of our own time continuum…

…we then enter a gigantic black space, floating…until a sun-like light RUSHES towards us, engulfing us…


Slowly out of the bright white light, a face forms. Molecules rush together. It’s Daniel, covered with frost, dropping down to his knees, clutching himself in pain

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    I think it was in Origins: Catherine where someone expressed awe at what they'd experienced during transit, remarking on having "seen stars" or somesuch.* But that was clearly nonsense writing which we can choose to decanonicalise :) See also: it was pretty well-established that gate travel used to take actual seconds, until later seasons came up with a new sub-second number and ran with it for the rest of the show. Mind you, that's moot from the POV of the traveler (as I believe we witness "visually" in Shades of Grey) since they lack consciousness during that time. Aug 22, 2019 at 13:38
  • * Though it's possible I'm thinking of another show, because a couple have done wormholes lately Aug 22, 2019 at 13:41
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    Yeah, there it is: "Did you guys see those? What the bloody hell was that? I think they were stars." I suppose it's possible this was some psychological effect upon rematerialisation (like when you get up too fast and "see stars" due to blood rush) Aug 22, 2019 at 13:42
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    @LightnessRacesInOrbit - Are you getting it mixed up with "Wormhole X-Treme!"? It had very similar themes...
    – Valorum
    Aug 22, 2019 at 13:58
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    I just saw this Origins episode and came here looking for the "I think they were stars" because I knew people were dematerialised when entering the gate. I love your explanation that it was a psychological effect! Anyway in the episode "48 hours" Teal'c was trapped in a gate (stored in a memory buffer) for 48 hours and when he got out he haven't noticed anything unusual
    – Charon ME
    Mar 22, 2020 at 18:21

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