In June 2015, New Horizons passed through the system of Pluto and its five moons. It sent back the first detailed photographs of this object since its discovery. It also sent back many false-color photographs, including one NASA simply cannot or will not explain: frozen [[carbon monoxide]] in a prominent plain on the surface. | In June 2015, New Horizons passed through the system of Pluto and its five moons. It sent back the first detailed photographs of this object since its discovery. It also sent back many false-color photographs, including one NASA simply cannot or will not explain: frozen [[carbon monoxide]] in a prominent plain on the surface. |