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Pluto and Charon seen orbiting each other by New Horizons. The New Horizons spacecraft, which flew by Pluto in July 2015, is the first and so far only attempt to explore Pluto directly. Launched in 2006, it captured its first (distant) images of Pluto in late September 2006 during a test of the Long Range Reconnaissance Imager. [179]
Pluto's four small circumbinary moons orbit Pluto at two to four times the distance of Charon, ranging from Styx at 42,700 kilometres to Hydra at 64,800 kilometres from the barycenter of the system. They have nearly circular prograde orbits in the same orbital plane as Charon. All are much smaller than Charon.
The first images of Pluto from New Horizons were acquired September 21–24, 2006, during a test of LORRI. They were released on November 28, 2006. [ 104 ] The images, taken from a distance of approximately 4.2 billion km (2.6 billion mi; 28 AU), confirmed the spacecraft's ability to track distant targets, critical for maneuvering toward Pluto ...
This new view of Pluto's crescent stunningly highlights the dwarf planet's varied terrains, extended atmosphere and familiar Arctic look. NASA releases stunning new 'Earth-like' images of Pluto ...
NASA's New Horizons probe has returned the first color images of Pluto. The small blurry dots in the newly-released photo are Pluto and Charon, the largest of Pluto's moons. New Horizons captured ...
NASA launched the New Horizon spacecraft in 2006 to learn more about the icy dwarf planet Pluto. Here are some of the first photos from that mission, taken from between 125 and 115 million miles away.
Pluto is the only trans-Neptunian object with a known atmosphere. [7] Its closest analog is the atmosphere of Triton, although in some aspects it resembles even the atmosphere of Mars. [8] [9] The atmosphere of Pluto has been studied since the 1980s by way of earth-based observation of occultations of stars by Pluto [10] [11] and spectroscopy. [12]
Nix is a natural satellite of Pluto, with a diameter of 49.8 km (30.9 mi) across its longest dimension. [3] It was discovered along with Pluto's outermost moon Hydra on 15 May 2005 by astronomers using the Hubble Space Telescope, [1] and was named after Nyx, the Greek goddess of the night. [10]