NASA's New Horizons spacecraft had officially commenced its first ever remarkable encounter with Pluto recently. The spacecraft is entering the first of several approach phases that culminate July 14 with the first close-up flyby of the dwarf planet, 4.67 billion miles (7.5 billion kilometers) from Earth.
NASA's New Horizons spacecraft had officially commenced its first ever remarkable encounter with Pluto recently. The spacecraft is entering the first of several approach phases that culminate July 14 with the first close-up flyby of the dwarf planet, 4.67 billion miles (7.5 billion kilometers) from Earth.
The fastest spacecraft when it was launched, New Horizons lifted off in January 2006. It awoke from its final hibernation period last month after a voyage of more than 3 billion miles, and will soon pass close to Pluto, inside the orbits of its five known moons.
The images captured by New Horizons' telescopic Long-Range Reconnaissance Imager (LORRI) would give mission scientists a continually improving look at the dynamics of Pluto's moons. The images also would play a critical role in navigating the spacecraft as it covers the remaining 135 million miles (220 million kilometers) to Pluto.
Throughout the first approach phase, which runs until spring, New Horizons will conduct a significant amount of additional science. Spacecraft instruments will gather continuous data on the interplanetary environment where the planetary system orbits, including measurements of the high-energy particles streaming from the sun and dust-particle concentrations in the inner reaches of the Kuiper Belt.
In addition to Pluto, this area, the unexplored outer region of the solar system, potentially includes thousands of similar icy, rocky small planets.
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