Acabou de assistir novamente este episódio para confirmar os fatos. Eles não levaram o wormhole para casa por alguns motivos.
a) The wormhole was too small for the ship to fit through and its in Romulan territory
e
b) While large enough to communicate through (via a probe) the wormhole does indeed go into the past.
e
c) The Temporal Directive kept them from beaming through the wormhole onto the Romulan scientists ship on the premise that it would have affected SOMETHING and made significant changes to the past. Even at that they slightly break this Directive as well because they send messages back in time with the hopes that they could let their family's know they were in the delta quadrant.
A Primeira Diretriz é relativamente / seletivamente ignorada durante toda a viagem dos Voyager porque eles estão tão longe de casa que não têm escolha. No entanto, a Diretiva Temporal tem muito mais influência.