After a 9.5-year, 3-billion-mile journey through space, NASA’s New Horizons spacecraft made a historic flyby visit to the dwarf planet Pluto. It passed within 7,750 miles of Pluto’s surface, which is roughly the distance between New York and Mumbai, India. It is the first-ever space mission to explore a world so far from Earth. Here’s a look back at Pluto’s biggest moments on the timeline of human history. Click here to learn more.