  We characterize all $(n-2)$-dimensional linear subspaces of $\mathbb{P}^{n}$
such that the induced linear projection, when restricted to the rational normal
curve, gives a Galois morphism. We give an explicit description of these spaces
as a disjoint union of locally closed subvarieties in the Grassmannian
$\mathbb{G}(n-2,n)$.
