either destroyed or assimilated had it encountered the Borg.
Fact #3: Probably the most important information on V'ger.
Going by Star Trek spacial quadrant charts and information provided in Star Trek: The Motion Picture, V'ger ended up on the far side of the Beta Quadrant, not the Delta Quadrant. According to what was giving, the personnel on the Epsilon 9 station reported the Klingons attacking V'ger in quadrant L-14. This is deep in Klingon territory in the Beta Quadrant, on the lower left hand side of the known star charts. The Borg are in the Delta Quadrant, located on the upper right. After the attack, the female crew member reported it would be passing very close to the station. When the senior officer asked where it was heading, the ensigncentury and did not start poking around the Alpha quadrant until the late 24th century.
(Star Trek: The Next Generation, "Q-who" (2365)/Star Trek: First Contact (2371)/Star Trek: Enterprise: "Regeneration" (2153)). Q started the whole Borg introduction to the Federation in 2365. Even before this time there were already signs the Borg were nosing around the Delta/Alpha Quadrant Federation and Romulan borders. After the Borg were made aware of the existence of humans, the time loop came full circle with Star Trek: First Contact and Star Trek: Enterprise, "Regeneration" . Voyager 6 was launched into space and presumed lost to a "black hole" a full 150 years prior to the Federation even being created.
Fact#6: V'ger communicated by ultra high speed RADIO waves to the USS Enterprise in Star Trek: The