#Arimatsu

Worlds this small and distant are thought to be too cold and have too little surface gravity to hold onto gases. But the findings suggest that icy, rocky objects in the solar system's outer reaches are more dynamic than we thought

Observations suggest there's a small, icy object with an atmosphere beyond Pluto, challenging assumptions about which bodies can sustain atmospheres.

"The Associated Press is reporting on a new study in Nature Astronomy suggesting that a tiny, icy world beyond Pluto harbors a thin, delicate atmosphere that may have been created by volcanic eruptions or a comet strike," writes longtime Slashdot reader…

The findings suggest our solar system is much more dynamic than previously thought.