It’s called…
Red.
Its the color scheme of theLast Jedititle.
It dominates the sky in the teaser poster.

Credit: Lucasfilm
InStar Warslore, its traditionally a sign of evil.
(Kylo Rens crossguard lightsaber is red too, in honor of his grandfather.)
EW has exclusively learned the name of this world isCrait.
Its way out there.
Its uncharted, says Johnson.
Its a mineral planet and so there are mines on it.
The white dusting of salt over this red, ruby-ish mineral base, he says.
But what is the significance of the red surface thats kicked up by the fighters?
Red is the symbol of blood in basic human nature but blood can stand for violence or family.
Maybe both, in some cases.
Johnson nods at this.
Go ahead and run with that, he says.
Theres plenty more to learn aboutThe Last Jedibefore its Dec. 15 release.
But heres one mystery thats been solved.