The photo shows towering mountains made of solid water ice and smooth plains of frozen nitrogen on Pluto's surface, lit by the distant Sun.
The photo shows towering mountains made of solid water ice and smooth plains of frozen nitrogen on Pluto's surface, lit by the distant Sun.
The photo shows towering mountains made of solid water ice and smooth plains of frozen nitrogen on Pluto's surface, lit by the distant Sun.
NASA's New Horizons spacecraft took its first detailed, close-up pictures of Pluto's surface during its historic flyby on July 14, 2015.
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