On the night of September 23, 1846, humanity’s gaze expanded to embrace another world. In the quiet of the Berlin Observatory, astronomer Johann Gottfried Galle peered through a telescope, guided not by chance but by mathematics, and spotted a faint blue disk glimmering against the canvas of the heavens. This was Neptune — a planet …
On February 18, 1930, astronomer Clyde Tombaugh made a groundbreaking discovery that would change our understanding of the solar system forever: Pluto. Tombaugh, working at the Lowell Observatory in Arizona, was tasked with the hunt for a potential ninth planet, which had been speculated to exist based on irregularities in the orbits of Neptune and …
