Eltanin

Its story

Eltanin is the head of Draco the Dragon, an orange K-type giant resting 154 light-years away. Owing to Earth's slow axial drift, in some twenty thousand years it will once again become the pole star of the northern hemisphere, a role it already played in Egyptian prehistory. James Bradley discovered the aberration of light in 1725 precisely while attempting to measure its parallax from London, a finding that confirmed for the first time Earth's motion around the Sun.