In the Star Wars universe, Padawan children are taken away from their families and in by the Jedi at a very young age, but there are a number of reasons for this, both practical and mythological. The Jedi are the guardians of peace in the Star Wars galaxy, known to harness the power of the Force, taking a monk-like vow to serving the order once they've passed their trials, carrying out their justice with diplomacy and, when it calls for it, the use of a lightsaber. The Jedi are comprised of all manner of alien species, so long as they are Force-sensitive, which is shown in their early abilities, as well as the count of midichlorians in their blood, which are microscopic intelligent life forms that exist within all creatures throughout the galaxy, but to varying degrees of prominence.
Throughout the Star Wars films and series, it is commonly referenced that children must start at a young age in order to be properly trained as Jedi. The first instance of this is in The Empire Strikes Back, when Yoda tells Obi-Wan's force ghost that Luke Skywalker is too old to become a Jedi at the age of 22. Mace Windu says the same about Anakin Skywalker in Star Wars' Episode I — The Phantom Menace, as Anakin was nine years old in the film. However, the age aspect is a little tricky when it comes to species, as some mature faster than others. This is evident in The Mandalorian and The Book of Boba Fett, where Grogu is taken in by Luke Skywalker to be trained as a Jedi at the age of 50, as he is still regarded to be a child at that age.
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There are ultimately a number of reasons why younglings are taken away from their families at such a young age, the first being that becoming a Jedi
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