AI Insight
Scientists analyzing data from NASA's New Horizons mission have discovered evidence suggesting liquid nitrogen may have recently flowed on Pluto's surface. Dark features observed on the Sputnik Planitia glacier appear consistent with liquid nitrogen rising from beneath the ice through cracks and conduits. Computer modeling indicates that nitrogen could melt at the glacier's base and travel upward through small passages.
Why it matters
This discovery challenges previous assumptions about Pluto being a geologically dead world and suggests the dwarf planet remains active despite its extreme distance from the Sun. Understanding cryovolcanic and fluid processes on Pluto helps scientists better comprehend how volatile materials behave on distant, icy worlds throughout our solar system.
Understand the Science
Scientists have found the first evidence that liquid may have flowed across Pluto’s surface in the recent past. Dark features on the enormous Sputnik Planitia glacier appear consistent with liquid nitrogen rising through cracks from deep beneath the ice. Computer models show that nitrogen could melt at the glacier’s base and travel upward like fluid through small conduits. The finding reveals that Pluto may be much more geologically active than its frozen appearance suggests.
Source: NASA’s New Horizons spots signs of liquid nitrogen flowing on Pluto