Its transparency allows us to see even to the pole star, who is the central sun around whom all the heavenly bodies move.
He was the first to state clearly that the motions of the heavenly bodies must be regarded as a mechanical problem, and he approached in a remarkable manner the discovery of universal gravitation.
Rubidium, caesium, thallium, indium and gallium were first discovered by means of this instrument; the study of the rare earths is greatly facilitated, and the composition of the heavenly bodies alone determinable by it.
Nor ought we to find a discrepancy between the Babylonian and the Hebrew, accounts in the creation of the heavenly bodies after the plants, related in Gen.
In each culture province the Indians studied the heavenly bodies.