I won't comment much about DSC here, though I am a fan of it. But I don't think Discovery was referred to in "The Squire of Gothos". I think "notify the discovery on subspace" means "notify the discovery of the phenomena on subspace". It just wasn't spelled out in such a way because it wouldn't have had to have been.
We don't know what actually happens to the USS Discovery. For all we know, it might not even be around in TOS. This is the theory I'm heavily leaning towards because I'm convinced something will ultimately happen to the ship. There might possibly be another ship with the same name in TOS but I still think hoping Kirk was referring to any USS Discovery is a case of looking for what's not there.
We don't know what actually happens to the USS Discovery. For all we know, it might not even be around in TOS. This is the theory I'm heavily leaning towards because I'm convinced something will ultimately happen to the ship. There might possibly be another ship with the same name in TOS but I still think hoping Kirk was referring to any USS Discovery is a case of looking for what's not there.
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