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Memory Alpha is a collaborative project to create the most definitive, accurate, and accessible encyclopedia and reference for everything related to ''Star Trek''. The English language version was started in 2003 as an independent wiki and now consists of more than 50,000 articles and 50,000 images.

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Memory Alpha is a collaborative project to create the most definitive, accurate, and accessible encyclopedia and reference for everything related to Star Trek. The English-language Memory Alpha started in November 2003, and currently consists of 53,718 articles. If this is your first visit, please read an introduction to Memory Alpha.


Warning: Memory Alpha contains spoilers!
Star Trek: Strange New Worlds
Star Trek: Prodigy
Star Trek: Picard
Star Trek: Discovery
Upcoming productions: Star Trek: Lower DecksStar Trek XIV
Where to watch: Paramount+ (US) • CTV Sci-Fi Channel/Z/CraveTV (Canada) • Amazon Prime/Netflix/Pluto TV (elsewhere worldwide)

Interactive timeline

With the Star Trek franchise growing faster than ever, this interactive video timeline will serve as a springboard for fans, young and old, to experience how Star Trek history fits together. Styled to mimic the LCARS interface, a simple click through the timeline will introduce you to each era with a video overview. Here you will discover key plot points of each of the series and movies set during that time. You also have the option to dive deeper in each subject by bringing up articles directly from within the video. Click below to discover more information about Memory Alpha in a unique way!

A Memory Alpha - Fandom collaboration, this interactive timeline aims to guide you through all the various ships and captains along with where they fall in Trek history.
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5 June 2022
Webster Whinery, who performed stunts on Star Trek: Insurrection and the Star Trek: Enterprise episode "Anomaly (ENT)", died at the age of 68.
7 May 2022
Actor Kenneth Welsh, who played Senna Tal in the Star Trek: Discovery third season episodes "People of Earth" and "Forget Me Not" has passed away on 5 May 2022 at the age of 80. [1]
6 May 2022
Actor Michael G. Hagerty, who appeared in two episodes of Star Trek: The Next Generation has passed away on 29 April 2022 at the age of 67. [2]
Upcoming episodes/filmsUpcoming merchandiseToday in Trek history

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Featured article

Security force field, 2364.jpg
A security force field in 2364

A force field was an energy barrier with many applications and varying degrees of strength. Although force fields had been in use for many years, Starfleet did not begin research on such a device until 2147, then referred to by Malcolm Reed as a "stable EM barrier." By the 24th century, Starfleet force fields were commonplace and were rated by intensity, ranging in strength from level 1-10. A level 10 force field was the strongest, and would be used, for example, during a scientific experiment of which the outcome was unknown, or known to be explosive in nature. Applications range from creating holograms, to sealing a hull breach, to personal force fields designed to keep potential assailants at bay.

The effects of a force field on its surroundings varied greatly. Contact with a force field could cause anything from a slight tingle to death. Most force fields were non-lethal, although some civilizations, such as the Dominion, preferred the lethal variety. If a force field was active, an object or transporter beam generally could not pass through it.


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