original: the first parallax measurement of the distance to alpha centauri is published by thomas henderson .
simplifications: thomas henderson published the first parallax measurement of the distance to alpha centauri . the first parallax measurement of the distance to alpha centauri was published by thomas henderson . thomas henderson published the first parallax measurement of the distance to alpha centauri . the first parallax measurement of the distance to alpha centauri is published by thomas henderson . the first parallax measurement of the distance to alpha -lrb- half man , half horse -rrb- i is published by thomas henderson . the first parallax of the distance to alpha centauri was published by thomas henderson . thomas henderson published the first parallax measurement of the distance to alpha centauri . the first parallax measurement of the distance to alpha .