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New research suggests Pluto has a hidden ocean

A study reveals Pluto's Kiladze crater may be an icy supervolcano harboring liquid water.

August 6, 2025 at 04:30 PM
blur An Icy Supervolcano on Pluto Might Be Hiding an Unknown Ocean

Research suggests a supervolcano on Pluto may reveal a hidden ocean beneath the surface.

Pluto's Icy Supervolcano Hints at a Hidden Ocean

Recent studies of a unique crater on Pluto, named Kiladze, point to it being a massive icy supervolcano rather than an impact site as previously thought. Data from NASA's New Horizons mission suggest this feature, measuring 27 miles across and nearly 2 miles deep, indicates that Pluto might still possess geological activity. Instead of molten rock, the supervolcano likely expelled a mixture of water, ice, and ammonia. This could mean that beneath Pluto's frozen exterior, there may be a reservoir of liquid water capable of sustaining life-like conditions.

Key Takeaways

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Kiladze on Pluto is likely an icy supervolcano, not an impact crater.
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The crater measures 27 miles in diameter and reaches nearly 2 miles deep.
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Recent eruptions may have occurred within the last three million years.
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Evidence suggests the presence of a hidden ocean beneath Pluto’s crust.
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Ammonia detected around Kiladze could allow liquid water to exist.
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This newfound geological activity reshapes our understanding of Pluto's potential habitability.

"This hidden ocean could be the engine behind Pluto’s surprising geological vitality."

Highlighting the importance of Kiladze's activity for Pluto's geology.

"Even a centimeter or two of this organic smog would mask the water ice spectral signature."

Explaining why the water ice near Kiladze remains exposed despite harsh conditions.

"Ammonia may be what allows the frigid ice to flow."

Emphasizing the role of ammonia in potentially creating liquid water pockets.

"If Kiladze erupted as recently as 3 million years ago, it would indeed suggest that Pluto’s interior may still retain some residual warmth today."

Indicating the possibility of ongoing geothermal activity in Pluto's interior.

The findings about Kiladze not only redefine our understanding of Pluto’s geology but also revive the long-debated existence of a subsurface ocean. The potential for hydration in these icy terrains opens doors to understanding not just Pluto, but the possibilities of life beyond Earth. If geothermal activity persists on such a distant world, it could suggest that other celestial bodies with icy compositions may similarly harbor hidden liquid environments. The implications for astrobiology could be profound, expanding our search for life to new frontiers in the solar system.

Highlights

  • Pluto's Kiladze crater reveals a world still alive beneath ice.
  • A hidden ocean on Pluto could reshape our understanding of life in space.
  • Recent volcanic activity on Pluto challenges previous assumptions.
  • Ammonia may be key to understanding Pluto's icy secrets.

Potential Conflicts in Space Exploration

The discovery of a hidden ocean on Pluto raises expectations for the future of space missions, putting pressure on funding and resources for exploration efforts. The prospect of life beyond Earth may also stoke competition among nations in space discovery.

Future missions could greatly enhance our understanding of Pluto's hidden ocean.

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