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Picture of Pluto further refined by months of New Horizons data

When the New Horizons spacecraft made its flyby of Pluto on July 14, 2015, there was worldwide celebration that we'd finally gotten our first detailed look at this completely new type of planet in the outer reaches of our ...

Science papers reveal new aspects of Pluto and its moons

A year ago, Pluto was just a bright speck in the cameras of NASA's approaching New Horizons spacecraft, not much different than its appearances in telescopes since Clyde Tombaugh discovered the then-ninth planet in 1930.

Pluto reveals more secrets

Eight months after its encounter with the New Horizons spacecraft, Pluto continues to surprise the scientists who study this distant world.

Dust counter got few 'hits' on Pluto flyby

A student-built University of Colorado Boulder instrument riding on NASA's New Horizons spacecraft found only a handful of dust grains, the building blocks of planets, when it whipped by Pluto at 31,000 miles per hour last ...

Putting Pluto's geology on the map

How to make sense of Pluto's surprising geological complexity? To help understand the diversity of terrain and to piece together how Pluto's surface has formed and evolved over time, mission scientists construct geological ...

Pluto's mysterious, floating hills

The nitrogen ice glaciers on Pluto appear to carry an intriguing cargo: numerous, isolated hills that may be fragments of water ice from Pluto's surrounding uplands. These hills individually measure one to several miles or ...

Image: Pluto's widespread water ice

Data from NASA's New Horizons spacecraft point to more prevalent water ice on Pluto's surface than previously thought.

Image: Pluto's blue atmosphere in the infrared

This image from NASA's New Horizons spacecraft is the first look at Pluto's atmosphere in infrared wavelengths, and the first image of the atmosphere made with data from the New Horizons Ralph/Linear Etalon Imaging Spectral ...

NASA image: Pluto's haze in bands of blue

This processed image is the highest-resolution color look yet at the haze layers in Pluto's atmosphere. Shown in approximate true color, the picture is constructed from a mosaic of four panchromatic images from the Long Range ...

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