New Horizons Spacecraft is Fast Approaching Pluto – NASA

After an eight-year long journey, NASA’s New Horizons spacecraft is quickly approaching Pluto. As of 21 January 2014, its distance from Pluto is about 4.29 AU (An AU is roughly the distance of the Earth from the Sun) (about 29.33 AU from Earth), with radio signals taking 4 hours to travel to the spacecraft from Earth (an 8 hour round trip).

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