What is the name of the alien planet in which Thor gets trapped in the 2017 film Thor: Ragnarok?

An energy that allows for near-instantaneous travel via a wormhole, what is the name of this energy source? Thor's weapon the Stormbreaker is said to be capable of summoning this energy.

What is the name of this group Asgardian female warriors?

What is the name of this character voiced by director Taika Waititi?

What is the name of this relic that is prominently featured in the first Thor film?