He was an astronomer who has never used a telescope but he created a tool for the study of the sun and the stars were up for yourself because in those days no invented it.
He was astronomer at the telescope never used at all, but he builds tools for studying the Sun and all the stars. only because it has not yet been formulated using.
He is an astronomer who had never use the camera to create the star, but he had to study the sun and the stars, and their own because of those days there was no use to think.