For decades, Pluto was believed to be a frozen, inactive world at the edge of our solar system. After its controversial demotion from planet to dwarf planet in 2006, many scientists assumed Pluto was nothing more than an icy relic drifting in darkness.
But when NASA’s New Horizons spacecraft arrived in July 2015, everything changed.
Instead of a dead world, scientists discovered something astonishing.
Pluto has massive glaciers made of nitrogen ice, mountains taller than the Rockies, a glowing blue atmosphere, and possibly a hidden ocean beneath its frozen crust. Some regions of Pluto’s surface are geologically young, suggesting the dwarf planet may still be active today.
So what exactly is happening on Pluto?
In this documentary, we explore the incredible discoveries made by NASA’s New Horizons mission, including:
• The mysterious heart-shaped glacier called Sputnik Planitia,
• Pluto’s floating mountains of water ice,
• Evidence of cryovolcanoes erupting icy material,
• The possibility of a subsurface ocean beneath Pluto’s crust,
• Pluto’s strange blue atmospheric haze and collapsing atmosphere,
• The unique binary planet system between Pluto and Charon,
• The chaotic motion of Pluto’s small moons in the Kuiper Belt.
These discoveries have forced scientists to completely rethink Pluto — and even what is possible for worlds in the distant outer solar system.
Pluto may no longer be classified as a planet, but it remains one of the most mysterious and fascinating worlds humanity has ever explored.
And what we discovered there suggests the solar system is far stranger than we ever imagined.
Watch now to uncover the strange science behind Pluto and the shocking discoveries made billions of miles from Earth.
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