The solar system's most debated world reveals an atmosphere spilling into space.
Pluto stands at the center of a live scientific debate, asking what truly makes a planet. This series explores its round shape, unusual orbit, and remarkably extended atmosphere, a rare natural laboratory for understanding how planetary atmospheres escape into space. Sign up to see why this distant world still reshapes astronomy.
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Frequently asked questions
Yes. Every plan unlocks the full library — including all Curiosity Originals like Curious Minds: Pluto — in up to 4K, ad-free, on all your devices.
Curious Minds: Pluto is a Curiosity Original, exclusive to Curiosity Stream.
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