PASADINA, California: A few years ago, a New Horizon astronaut who passed close to the dwarf planet Pluto in our solar system discovered some mountains there that looked like terrestrial volcanoes but probably At one time they were exposed to extreme cold water and snow.
Scientists have named these mountains "ice volcanoes" (ice volcanoes).
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Now, new research on these icy volcanoes has led experts to estimate that these icebergs were alive "only" 100 million years ago or less when they were melting ice.
If this is true then we have to change our information about Pluto's past and present because Pluto was considered to be extremely cold due to being 3.7 billion kilometers away from the Sun.
The majority of experts agreed that Pluto did not have too much heat inside, and that it was completely cold, not only on the outside but also on the inside.
Mountains, such as snow-capped volcanoes, have been thought to have been around for at least a billion years, but new research suggests they may be as old as 100 million or less.
One estimate is that Pluto may still be hot inside, causing snow and cold water to flow out of the mountains.
These things are currently in the form of assumptions that have made Pluto's "ice-splitting volcanoes" even more mysterious.
Note: Details of this research are published online in the latest issue of Nature Communications.
