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Whenever a stargate is opened, we see some kind of blowback, which I'm told is called a "kawoosh". If there is nothing blocking the surface of the event horizon, this forms and comes out from the Stargate, then snaps into the event horizon and is not seen again until the gate is opened again.

We've seen instances where this destroys different types of matter.

Could this kawoosh be used to destroy another Stargate?

For instance, if you are able to transport a gate to a planet where there's another and deactivate the DHD on the first one, and position the second one correctly, wouldn't the kawoosh destroy the 1st gate?

My thought is that if that were possible, it would have been possible to destroy segments of the Ori super-gate using that method.

Would that have let them use a stargate itself as a weapon to destroy almost anything?

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The "kawoosh" is an unstable wormhole. It can supposedly disintegrate "virtually anything".

If we go by known physics and assume that this is a real wormhole with a real event horizon, and assume that the Ori super-gate is not made of some sort of exotic matter, it can definitely have a bite taken out of it using this method.

However, event horizons in the Stargate universe are not quite right -- if they were, you will never be able to pull your hand out once you put it in. Instead, Stargates use a combination of wormhole plus matter-energy conversion. In this case, it appears to be the matter-energy conversion mechanism working without a stable wormhole. So the matter disintegrates and converts into energy, but goes nowhere (we know it is not just vaporized because once a wormhole activated underground and left a normal-pressure cavity large enough for Teal'C to enter and dig himself to the surface).

So either way, this could have been used against the Ori gate.

  • Of course that gate was huge. It probably would have taken a long time to damage it to the point that it could not have functioned any more. – Xantec Feb 10 '12 at 14:02
  • @Xantec: Destroying a single ship, which could have been done with one kawoosh, would have broken the chain. – Jeff Feb 10 '12 at 14:38
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    I (and I think @TangoOversway as well) assumed that the ring is one giant continuous coil. Breaking it at one point is all it takes, in that case. – HNL Feb 10 '12 at 14:42
  • @HNL: That's close. I figured either that was the case, or they could pick two (or four) strategic locations on the super-gate and destroy those points, leaving separate sections in space that could be pulled apart. – Tango Feb 10 '12 at 15:16
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    It comes down to what it takes to destroy one of the super gate segments. As each segment not only contains what is necessary for the whole gate to function, they also have their own independent power, propulsion, and navigation systems. And knowing the Ori, they also have their uber shields without the primary weapon weakness. All around a tough nut to crack. – Tyson of the Northwest Feb 15 '12 at 19:27
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I'm guessing that the supergate would have fallen under the "things the kawoosh can't destroy" otherwise that seems like an easy solution that was overlooked, unless the writers totally forgot about it.

On the other hand, if the supergate was destroyed, then the ori would just have constructed one somewhere else. Notice how once the sg-1 team blocked the supergate by dialing in from pegasus no more ori entered the milky way, until it was deactivated. You know how you can't dial into a stargate near one that is already active. I think the same principle holds for intergalactic gates, but one a much larger scale. If there is one intergalactic gate that is active than no other intergalactic gates can be active in proximity, perhaps in the whole galaxy. Therefore blocking the supergate would prevent the ori from getting to the milky way, not destroying it.

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    This seems more like random guessing than anything based on canon – DVK-on-Ahch-To Feb 15 '12 at 16:42
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The Kawoosh is an "unstable vortex created by the formation of a wormhole" and is unrelated to the "event horizon" that performs the matter-energy conversion employed by the stargates.

The kawoosh from a supergate was capable of destroying an Ori warship, which would ostensibly be more heavily armored and shielded than ring segments of the supergate itself. This kawoosh would certainly be capable of destroying supergate ring segments.

However, this begs the follow-up question of how you get a regular stargate to create a kawoosh next to a supergate. Due to how stargate priority or supersedence works, the supergate would have priority for all inbound wormholes, and the Milky Way has no "puddle jumper DHD" for remote dialing a space gate for an outgoing wormhole. (Side note: there are puddle jumpers in the Milky Way, the time jumper from S8E13 and 1 temporarily brought from Pegasus in SGA S3E10. Both were kept in storage/research and not used in regular missions.)

Simply put, dialing an outbound wormhole with a space gate in the milky way is not a trivial task and dialing an inbound wormhole to a nearby standard gate would likely not work at all.

Such a solution would have made SG-1 S10E3 last all of about 30 seconds. The priority/supersedence point was also completely ignored in that episode after being firmly established throughout the series. All they had to do to use your solution would be to turn their destination standard gate around to face the supergate and BOOM.

Most likely this was simply a solution that the writers overlooked or chose not to employ as it would detract from the series' drama. As I said, an entire episode would have been reduced to 30 seconds.

  • I would make two points. First I don't think we know if the Ori warships are made of a more dense material or shielded more than the supergates. Second, in the episode you mention, s10 e3, the SGC had to get a milky way gate to jump to the supergate to keep it open; which tells us that the milky way gates would actually supersede the supergates, likey because they supergates are "out of network." The reason the episode was more than 30 seconds is because they needed to dial in from Pegasus with a gate near a black hole to establish the longer than 30 minute shut down time. – Odin1806 Aug 2 '18 at 16:31
  • I agree with you that the kawoosh and event horizon are completely unrelated however! – Odin1806 Aug 2 '18 at 16:32

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