The strange coloring of the oddly shaped satellite discovered by Giovanni Cassini continues to baffle astronomers to this day.
All posts tagged ‘Uranus’
After 13 years of grinding and polishing, the Palomar Observatory mirror is completed at Caltech.
1846: German astronomer Johann Gottfried Galle, knowing exactly where to look, confirms the existence of an eighth planet in the solar system, Neptune. Galle was not the first astronomer to see Neptune — Galileo, puzzled by the changing position of what he thought was a fixed star, had sketched the movement in 1613 but never […]