"Space snowman" Arrokoth a other Kuiper Belt objects may contain locked-up ancient ice and gas, suggests a new model that could also explain the explosive behavior of "ice bomb" comets passing the sun.

Arrokoth the 'space snowman' and other Kuiper Belt objects may be packed with ancient ice

Source: space
Source Link: https://www.space.com/arrokoth-space-snowman-kuiper-belt-ice-objects