Stargate Atlantis (often abbreviated to SGA) is a 5-season sci-fi TV series, a part of the Stargate franchise. Stargate Atlantis began running in parallel with season 8 of Stargate SG-1 before taking over the Stargate mantle with season 4 after SG-1 finished after it's 10th season.

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What's the shortest distance that can be travelled via Stargate? [duplicate]

The question is pretty simple: what's the minimum distance that can be travelled via a Stargate? I know two stargates cannot operate in close proximity, such as on the same planet, as one Stargate ...
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Are the Stargate glyphs different between Pegasus and Milky Way galaxies and how does it affect the DHD on puddle jumpers?

Since the glyph shapes are based on constellations, wouldn't the Milky Way constellations be a totally different shape, if even existent at all, in the Pegasus Galaxy? Assuming this is the case, which ...
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Where did Ronan Dex get his pistol?

Throughout the Stargate Altantis series, the badest-ass weapon on screen was arguably Ronan's powerful gun. Where and how did Ronan get his iconic pistol?
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Why does Atlantis have dead trees/plants?

When the Stargate expedition first arrives at Atlantis, there are the remains of small tree stumps sitting in pots absent their foliage. But nobody has touched Atlantis since the Ancients abandoned it ...
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Has there ever been any episode that didn't show a stargate in use?

I've been watching old SG-1 episodes lately and a question came to me. Has there been any episode (SG-1, ATL, SGU) where it didn't show the stargate being used? Being used for the purposes of this ...
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Why does the stargate on *Destiny* expel all that steam when the gate shuts down? [duplicate]

On Stargate Universe, Destiny's gate gushes out a bunch of steam on the bottom of each side of the Stargate. AFAIK, no other stargates in SG-1/Atlantis series nor the movies does this. I don't think ...
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How was the full address for Atlantis discovered?

At the very beginning of the first episode of Stargate Atlantis, Daniel Jackson explains to Doctors Weir and McKay that the address for the Lost City was incomplete, and then proceeds to draw another ...
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How long did it take to get to the Midway Station?

After harvesting a bunch of Pegasus stargates, McKay & Co. daisy-chains them end-to-end until they end up halfway between the Pegasus & Milky Way galaxies where they build the Midway Station. ...
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Why was Ayiana left behind?

In Stargate the Ancient Ayiana plays the role of the first Ancient to be discovered by the SGC. In the first episode of Atlantis she is seen staying behind while the rest of the Ancients leave in ...
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170 views

How does the team get home at the end of Stargate Atlantis' season one episode “Childhood's End”?

At the end of Stargate: Atlantis' season one episode Childhood's End Given that the puddle-jumper is deactivated by the device, how I don't know if the answer would involve speculation, since ...
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Why did the wraith allow Sateda to advance technologically?

Almost all human societies and planets in the Pegasus galaxy are technologically quite primitive. The few exceptions we see, notably the Genii, and the Hoffans, go to great lengths to hide their ...
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Where Did the Atlantis Gate Address Come From? [duplicate]

In the first episode of Stargate Atlantis, the only mention of where the 8-symbol address came from, was Daniel Jackson mentioning, "recently, we've been able to determine the...". But how, exactly, ...
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Where does a jumper-activated Pegasus Stargate get its power?

In Why don't they cloak the jumpers before entering the gate?, one of the commentators says that the puddle jumper does not power the gate. However, it's established in SG1 that the DHD provides ...
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128 views

Would a red giant really help power Atlantis' shields in The Last Man

In the Stargate: Atlantis episode, The Last Man, Sheppard is transported 40,000 years into the future. A hologram/computerized version of McKay meets him there with a plan to send Sheppard back to ...
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when do the stargate Atlantis seasons take place in SG-1 [duplicate]

I'm going to start a Stargate marathon where I watch all of SG-1 and Atlantis. I know the 2 series take place roughly in the same timeframe but I am wondering at what points in SG-1 do each seasons of ...
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350 views

SGA ZPM regenerates power or continuity error?

In Season 3, Episode 8 "McKay and Mrs. Miller", the team completely drains Atlantis' only ZPM. Episode 9 takes place off-world. Episode 10 shows a fully functioning Atlantis (which is turned over ...
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201 views

Where's the head on an Atlantean jumper?

On several Stargate Atlantis and late SG-1 episodes they spend a very long time on a jumper. For example, in Atlantis 4x17 "Midway", at the end, Bill Lee, Kavanagh, McKay and Shepard are on a ...
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What happens if a Wraith feeds on a Goa'uld or a Jaffa?

Wraith have amazing 'aging' powers and Goa'uld and Jaffa have amazing longevity and healing powers. I realize this invites speculation, but this would be pointless and against site guidelines. Is ...
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Why did Dr. Weir (Torri Higginson) leave SGA?

Related, among others: http://forum.gateworld.net/threads/67521-Why-did-they-get-rid-of-Carson-and-Weir As when I asked about Why was Crusher replaced with Pulaski who was replaced by Crusher? I have ...
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How were ZPMs made, charged, and are they all equivalent?

This is sort of three questions, but intimately related. http://www.stargate-sg1-solutions.com/wiki/Zero_Point_Module_(ZPM) and http://stargate.wikia.com/wiki/Zero_Point_Module have some ...
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Why is exiting the Stargate inconsistent?

I'd be surprised if this hasn't been asked before, but I couldn't find it. In the awesome TV show Stargate: SG-1, I've noticed that how one exits the Stargate is inconsistent. Several times we witness ...
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SGA: Are the Wraith vampires?

The connection is rather obvious. The Wraith are nearly immortal and suck the life out of humans. Of course there are also differences from classical vampire lore. The following two articles ...
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Was the fact that McKay is Canadian established prior to the Atlantis premiere?

It is clearly established in the first episode of Atlantis that Rodney McKay is Canadian. He wears the Canadian flag, and pronounces the last letter of the English alphabet as 'zed', and this ...
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When did it become common knowledge that the Atlantis Expedition were from another galaxy?

Obviously the Athosians find out pretty quick due to their situation of living with the Expedition at Atlantis. I can't really remember if they simply tell the Asurans who they are or if they find out ...
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Why not transfer the people of Taranis to other side of planet?

In the Inferno episode of Stargate Atlantis, Sheppard's team meets a civilization about to be destroyed by a super-volcano, and is trapped there when the Stargate is destroyed during the evacuation. ...
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How many Humans have the Ancient ATA Gene?

In Stargate, there are a number of people who have the Ancients ATA gene which they inherited from being descended from the Ancients that returned to Earth. But my question is has it ever been ...
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188 views

How is 'Iratus' Pronounced?

In Stargate Atlantis, they creatures called Iratus bugs (what the Wraith evolved or mutated from), how do you pronounce 'Iratus', is it like I-RAT-US, E-RAT-US or E-RATE-US ? Because I've heard it ...
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Why don't they cloak the jumpers before entering the gate?

On several occasions our heroes in Stargate Atlantis worry that their gateship may have been detected between exiting the stargate and activating the cloak. Why don't they just cloak before they go ...
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Can Ronan Dex be fed upon by a wraith (possible plot hole)?

In the the episode Broken Ties, we see Ronan Dex being fed upon repeatedly by a wraith. While watching the episode, we realized we had some confusion surrounding whether Ronan can, in fact, be fed ...
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Stargate Home Symbol

I'm struggling to find and I'm pretty sure I didn't imagine this: From one of the Stargate's (Movie, SG1, SGA or SGU) - I remember the home symbol being two Anubis? guards leaning into the sun. ...
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The Atlantis Stargate is destroyed but then used in later episodes

In season 5, episode 10 the Atlantis Stargate is destroyed. At the beginning of episode 11 it is shown as big hole where it once existed. In later episodes they use the Atlantis Stargate. How is this ...
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When does the 'Lost City' become Atlantis in Stargate

In Stargate SG-1 they are searching for the Lost City in season 8, however in the Stargate Atlantis pilot it is referred to as Atlantis. When is the name found? Or the connection between the Lost City ...
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In Stargate Atlantis, why are the Wraith hives considered such a threat to Earth?

I've got to admit, I'm confused by something here. I'm watching 2x20, and the two Hives heading towards Earth is treated as a bit of a doomsday scenario. But I'm confused as to exactly how they are ...
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What Was the Rationale of the Ancients for Eliminating Manual Dialing of Pegasus Stargates?

Related to questions: Remote Dialing Option Stargate Network Version Differences I noticed while reading several articles on stargates that the Ancients had made "upgrades" in their 3rd version of ...
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Why did the Stargate close on John Shepherd and Ronon on Season 2 Ep 18 “Michael”

When they saw Michael going into the Stargate, Ronon immediately ran and tried to jump in the Stargate but the Stargate just powered off. This is strange because: 1) Stargates should not close on ...
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Are there going to be some actual Atlantis exploration episodes?

I just started watching Stargate Atlantis series (I am on episode 10 of the first season) and while I like each episode I do not understand why they are not exploring the city itself. Atlantis was the ...
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Who played the Airperson who was verbally shoved aside by McKay in “The Intruder”?

Who portrays the delightful Airperson to whom McKay barks "Airperson, don't be there!" around midway through Stargate: Atlantis's excellent second-season episode [S02E02], "The Intruder"? As she is ...
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Why would Ford ditch his jumper?

In the Stargate: Atlantis second season premiere "The Siege, Part III", Sheppard says about Ford: It doesn't matter where he goes. The second he gets to wherever he's going, he's gonna ditch the ...
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Stargate Atlantis Boxsets

I am wanting to purchase a Stargate Atlantis boxset, however there seem to be two to choose from There is a 'megapack' as shown here And there is a 'Complete pack' as shown here My question is what ...
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Which “Stargate” actor played the same role in “Stargate Atlantis”?

Wikipedia says this about Richard Kind: In 2006, he guest starred on Stargate Atlantis as Lucius Lavin, in the episodes "Irresistible" and "Irresponsible," making him the only actor to appear in ...
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What powers the puddle jumpers?

So far as I can tell, a power source for the puddle jumpers hasn't been identified, although they seem to require power. What is the source of this power?
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Stargate: Atlantis - What happened to Todd the Wraith?

Yeah its kinda left wide open at the end of the series that after Atlantis lands on earth what becomes of Todd? Last I saw he was a prisoner on Atlantis (I think I could be wrong).
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How were ZPM's Made?

Is there any in universe explanation about how ZPM's were made? Why could this process not be replicated by humans? A quick read of this wikipedia page brings up this information: A fictional ...
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What are the abilities of the Pegasus galaxy's species, the Wraith?

Can the Wraith life-suck human clones/animals? It seems throughout the series that Wraith only feed on humans, while the bug counter-parts (I think) feed on other animals. Are humans the more ...
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Why aren't the Asgard in Atlantis?

Why don't the Asgard go into the Pegasus Galaxy and study Atlantis? As we see in the Stargate series, the Asgard weren't perfect and couldn't defeat the replicatiors but the Ancients had the ...
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How did the first off-world team know the return address for Atlantis?

In the first episode of Stargate Atlantis the Atlantis expedition group hastily sends a team through the stargate after discovering that the city seems to be in imminent danger of being flooded. ...
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McKay/Carter Intergalactic Gate Bridge name reference to real world

It seems likely to me that the McKay/Carter Intergalactic Gate Bridge is a reference to the Macdonald-Cartier Bridge or Freeway given the similarity in name and the show's Canadian connection. http://...
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How long do naquadah generators last?

In Stargate Atlantis, the naquadah generators power parts of the city under (what assume is) a constant and heavy load. They would have to last at least a few months, if not longer. Is there any ...
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Why doesnt the SGC use the Asgard Cloning device to make more ZPMs?

As the title said; why couldn't Stargate Command use the Asgard cloning device to make more ZPMs, the way they did for the Replicator gun or the actual Replicator they created?
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How long can a fully charged ZPM be used to fire a control chair?

I was reading this question, and realizing that I don't have a good handle on this question, namely how long can a ZPM power the chair for? Thanks!