jul 23, 2015 - New Horizons Arrives at Pluto
NASA's New Horizons spacecraft arrives at Pluto after a journey of more than 9 years and 4.6 billion miles. As the spacecraft makes its closest approach, it passes only 7,750 miles from the surface of the dwarf planet and captures amazing images of Pluto and its largest moon Charon.
Added to timeline:
space exploration timeline
some important things in space