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Path of NASA’s New Horizons spacecraft toward its next potential target, the Kuiper Belt object 2014 MU69, nicknamed “PT1” (for “Potential Target 1”) by the New Horizons team. NASA must approve any New Horizons extended mission to explore a KBO. Credits: NASA/JHUAPL/SwRI/Alex Parker
The next destination for the New Horizons mission to visit after its historic July 14 flyby of the Pluto system is likely a small Kuiper Belt object (KBO) known as 2014 MU69 that orbits nearly a billion miles beyond Pluto.
The team needs to direct New Horizons toward the object this year in order to perform any extended mission with healthy fuel margins...
In the northern region of Pluto’s Sputnik Planum, swirl-shaped patterns of light and dark suggest that a surface layer of exotic ices has flowed around obstacles and into depressions, much like glaciers on Earth. Credits: NASA/JHUAPL/SwRI
NASA’s New Horizons mission has found evidence of exotic ices flowing across Pluto’s surface, at the left edge of its bright heart-shaped area. New close-up images from the spacecraft’s Long-Range Reconnaissance Imager (LORRI) reveal signs of recent geologic activity, something scientists hoped to find but didn’t expect. “We’ve only seen surfaces like this on active worlds like Earth and Mars,” said mission co-investigator John Spencer of SwRI.
The new close-up images show fascinating detail within the Texas-sized plain (Sputnik Planum) ...
IMAGE1: The latest spectra from New Horizons Ralph instrument reveal abundance of methane ice, but with striking differences from place to place across the frozen surface of Pluto. “We just learned that in the north polar cap, methane ice is diluted in a thick, transparent slab of nitrogen ice resulting in strong absorption of infrared light,” …In one of the visually dark equatorial patches, the methane ice has shallower infrared absorptions indicative of a different texture. “The spectrum appears as if the ice is less diluted in N…or that it has a different texture in that area.”
IMAGE2: New close-up images of a region near Pluto’s equator reveal a giant surprise – a range of youthful mountains rising as high as 11,000 feet above the surface of the icy body...
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