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There is a binary wormhole system within light years from our Solar System, the identical wormholes are orbiting each other once every 500 days. Each wormhole lead to an unique fixed address, without going through trial and error is there anyway to tell the exits before entering any of the wormholes? Assume these natural wormholes are stable and safe and our tech level is equivalent to a type 2 civilization on the Kardashev scale.

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closed as primarily opinion-based by Aify, John Dallman, Mołot, Hohmannfan, Green Oct 12 '16 at 13:26

Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise. If this question can be reworded to fit the rules in the help center, please edit the question.

  • $\begingroup$ If they are identical, of course there is none, except trial and error and then carefully preserving the result for future use. Question as written can't have an answer. $\endgroup$ – Mołot Oct 12 '16 at 7:31
  • $\begingroup$ Are you asking if you could know the exit before anyone went through the wormholes, or just how would a specific spaceship know which one was which after lots of people had already been through? $\endgroup$ – MichaelS Oct 12 '16 at 8:54
  • $\begingroup$ @Michael: the latter and I'm thinking of man-made orbiting signage around the wormholes. $\endgroup$ – user6760 Oct 12 '16 at 9:43
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Take two spaceships. Send one spaceship through one wormhole each. When they return your K2 civilization will now know where each wormhole goes, and its location.

Alternatively, your K2 civilization sets up a communications station near the wormhole binary and sends radio, laser, and if they have them FTL signals through, asking anyone on the other side to respond. There is a good chance, if you get an answer, this will give a good idea where the wormholes lead.

If you have FTL communications, build a pair of FTL signal beacons and send them through and wait until the beacon signals are detected. This will tell where the exit mouths of the wormholes are located.

Thirdly, if wormholes are more like transparent windows showing what is at the location of its exit mouth. If so, your K2 civilization sets up an observatory and makes observations about what is on the opposite side. Eventually, possibly sooner, they will build up a picture about where and what is at the exit location. Using astronomical data will be possible to know where each of wormholes emerges back into the spacetime manifold.

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Deploy Gatekeepers

If the wormholes are absolutely identical (if not, there's no point asking this question), then you deploy beacons to orbit/follow each wormhole.

Passing ships then use the beacons to guide their way to the correct wormholes.

The beacons could also be gatekeeper ships/space stations if you want to monitor/police this end of the wormholes.

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